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How to: Adding a Factory Keypad
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 Posted: Mon Jan 21st, 2019 01:31 am
mhoward
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How to Install a Factory Keyless Entry Keypad
 
Disclaimer #1: I cannot take credit for the technical details of this modification, as I gleaned information from several sources on the Internet, as well as some valuable info from Bob Wenzing (V8 Level II).  I trolled many forums and online wiring diagrams to obtain and verify the info I needed.  Some of the pictures are my own, others from the various sources.  The only credit due me is bringing this information together and posting it here.
 
Disclaimer #2: You perform this modification AT YOUR OWN RISK. This how-to assumes you have the tools, knowledge, basic skills and ability to successfully perform the required steps.  Also, this how-to describes the steps necessary to perform the mod on a 2001 – 2003 model Ranger.  It MAY work on other model years, but I don’t know if it will, so proceed with CAUTION!
 
Apology: I apologize for the lack of detail pics of this mod.  When I performed it, I was not considering doing a how-to, so use your imagination to get an idea of some of the steps I took.
 
– Michael R. Howard (01/20/2019)
 
######################################
# Why Retrofit an OEM Keypad?                                        #
######################################     
 
1: This mod provides a feature that was never offered on a Ranger, which has a cool factor all its own.
 
2: Prevents you from being locked out of your truck.  I had developed the stupid and dangerous habit of shutting off my truck, pulling the keys and hitting the lock button when exiting the cab.  Then, one day at work I failed to pull the keys out of the ignition.  That little stunt required my son to drive a 70-mile round trip to bring me a spare set of keys.  If the keypad had been installed, this would not have been an issue.
 
######################################
# Things you will need                                                      #
######################################
 
·        Power door locks (duh!)
·        Laptop with FORScan EXTENDED LICENSE installed
·        ELM327 OBDII connector
·        Dremel and cutoff discs
·        The inner strength (guts) to cut a hole in your truck door :D
·        Drill and standard hand tools
·        Soldering gun, solder and shrink tube
·        Parts from a donor vehicle
·        Sandpaper, primer, rubbing compound
·        Color-matching paint for your vehicle (if you want a more finished look), clear top coat
·        Rustoleum brush enamel (to seal the bare metal edge resulting from the cutting)
 
######################################
# Obtain Salvage Parts from a Donor Vehicle                      #
######################################
 
For this mod, I chose to purchase a new keypad, as I could not find one in decent shape in the desired style.  Any keypad from a 1998 to 2001 Explorer or 2001 to 2005 Sport Trac will work and those can be found at salvage yards in good condition.  I used a keypad for a 1998 Ford Windstar, as it is more aesthetically appealing (to me anyway).  Assuming you are going for used parts, the following is what you will need from the donor vehicle:
 
                1) Keypad and attached harness
                1) Gasket (keypad to body)
                    Be VERY careful when removing the keypad to prevent damaging the gasket
                1) Spring steel retaining clip
                1) Body side connector and as much of the harness as you can get
                2) Central Security Module (CSM) connectors with 6 – 12 inches of wire
                    There are two connectors on the CSM, a 22-pin and a 26-pin… get both of them
 
######################################
# Component Photographs                                                #
######################################
 



 
Once you have everything from the donor vehicle, take a little time to clean it all up.  Once that is done, sand/prime/paint/polish the keypad bezel (if you opt to color-match it).  Depending on what style of keypad you choose, the bezel can be removed by either removing 3 small pins or simply releasing the snap clips and pulling the bezel free from the number pad.  I might also mention that there are two styles of connectors.  One is square and one is round.  Both have the same number of wires and color codes.  Just make sure you get parts that will plug together.
 
######################################
# Wire Colors / Wire Function                                           #
######################################
 
CSM Connector #             Pin          Wire Color         Function
------------------------       ---           --------------      -----------
C274a (26-pin)                 5              LB/YE             1/2
                                       6             LG/RD             3/4
                                       7             YE                   7/8
                                       8             RD                  9/0
                                      15           BN                   Keypad common
                                      19           YE/BK              5/6
                                      ----         ---------           -----------
C274b (22-pin)                13           BK                   Ground (- 12v)
                                      15           LB                   Illumination (+ 12v)
 
######################################
# Testing Keypad Functionality                                          #
######################################
 
BEFORE YOU GO CUTTING A HOLE IN YOUR DOOR, YOU NEED TO VERIFY YOU CAN MAKE THIS WORK IN YOUR TRUCK!
 
Start by dropping the glove box down, then remove the passenger side airbag.  Remove the two 7mm screws from the CSM module and release both connectors.  This would be a good time to document the 5-digit Keyless Entry Code on the sticker of the CSM (a close-up picture of the label works well).  Remember those CSM connectors you grabbed from the donor vehicle? Now you need to remove some pins from them and install into the appropriate position in your trucks connectors.  Here are the ones you will need:
 



 
Remove the pins with the colored wires from each of the donor connectors and install them in the existing truck connectors.  Keep in mind you have to release the pin lock on the connectors in order to remove/install the pins.  Once you have that accomplished, temporarily wire the body-side connector to the newly installed wires and plug the keypad into it.
 
Now this is where it starts getting complicated.  Connect your OBDII to the truck and laptop, then launch FORScan.  Once you have connected to the truck, take a backup of your configuration and save it on your laptop (.abt file).  Now click the Configuration and Programming section, select BCE and load address 4801 (48-01) with AS BUILT data.  Document the existing HEX number (mine was DA00, which conflicts with the Ford database which said it should be 5800).  Now, you can change that HEX number to either 7201 or FA01; whichever one works on your truck and click APPLY.  It is a possibility that NEITHER of these codes will work with your truck.  The 7201 code, which was provided to me by Bob Wenzing did not work on my vehicle, yet it works on his.  You may have to consult a dealer tech about the appropriate code for your truck or do like I did and dig around the Internet to find a compatible code that works for you.  To test, simply type the 5-digit code (from the CSM label) on the keypad and see if the doors unlock.  Your first clue that you have a working code is on first number press, the keypad lights up.  At the end of this document, you will find instructions on how to program your system with a personal code and other operational information.
 
Assuming you have the keypad functional at this point, it is on with the scary part of cutting a hole in your door for the keypad and getting things wired together permanently.
 
######################################
# Keypad Installation and Wiring                                       #
######################################

NOTE:  I strongly encourage you to use solder and shrink sleeve rather than butt connectors when performing the installation.  The extra time and effort spent will ensure you have a reliable, long lasting and trouble-free system.


Remove the radio and bezel.  Using solder and shrink sleeve:

Extend the wires from the added pins on the CSM.  They need to reach to the door by passing through the dash. Solder and shrink tube the connections at the CSM and once you have them to the driver side, you can take a few minutes to reinstall the airbag and radio.  Remove the driver side door panel and pass the body side harness from the donor vehicle through the rubber flex tunnel and ensure you have enough to reach the keypad connector once that part is installed.  Once that is finished, solder and shrink tube the wires you extended to the body side harness.  Now, mask off your truck as shown below and cover the remaining exposed parts with old blankets or such to protect your paint from sparks when you Dremel the hole for the keypad.
 

 
The positioning of the keypad is mostly guesswork, just make sure there is nothing that will interfere.  Here are a couple of examples: green truck belongs to Carl (buckgnarly) and the white truck belongs to John (n3elz).
 

 
Mark the position with a Sharpie pen then carefully and SLOWLY Dremel cut the opening, being careful not to slip nor go too fast.  I got the metal too hot on mine and this is what happened when I peeled the tape away:
 



The top pic shows where the paint peeled down to the bare metal.  Lucky for me the bezel will cover that, so I taped it off to paint the bare metal with Rustoleum enamel to prevent it from rusting.  The bottom pic shows the absolutely pathetic job I did of dabbing the paint on with a brush (the garage was cold and the paint was super thick).  Let the paint dry overnight so it will stay put when you install the keypad.
 
Now, install the keypad, gasket and spring clip.  Ensure the harness is clear of the window, door latch and door lock mechanisms.  I drilled a couple of holes and used the Christmas tree fasteners that were on my keypad harness to keep them in place and out of the way of moving parts.  Plug the connector into the body side harness you installed earlier and test once more.  If all checks out, reinstall your door panel trim and enjoy your new factory keyless entry keypad!
 
Finished product! 😊

 

 
######################################
# Operation and Programming                                          #
######################################
 
Locking the doors:
Press the 7/8 and 9/0 pads simultaneously.  Both doors will lock
 
Unlocking the doors:
                Enter the factory code or personal code. Driver door will unlock
                Press the 3/4 pad within 5 seconds and passenger door will unlock
 
Programming your own personal entry code:
1. Enter the factory-set code (keypad will illuminate when pressed)
2. Press the 1/2 pad within five seconds of step 1
3. Enter your personal 5 digit code within 5 seconds of step 2
Enter each digit within five seconds of the previous one
 
Erasing personal code
1. Enter the factory-set code
2. Press the 1/2 pad within five seconds of step 1
3. Press the 7/8 and 9/0 pads at the same time within five seconds of step 2
The system will now respond only to the factory-set code

Last edited on Mon Jan 21st, 2019 02:26 am by mhoward



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5th Gen - 2003 - Ranger Edge / Extended Cab / Flareside / 3.0L FLEX / Auto / 2WD / 8.8 Open 4:10 / Sonic Blue Pearl

So many mods... so little time...



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 Posted: Mon Jan 21st, 2019 02:41 am
black06xlt
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Several years ago I was at a used car lot looking at an 2010 sport ext cab 4x4. It had every option you could think of factory leather seats full length console with amp and sub and keyless entry. Pad was mounted above the door handle. My dad bought an 04 ranger tremor with fx4 level 2 package from enterprise rent a car with the same options. His truck was almost a year old when he bought it. So I'm gona say that it's a rare option



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 Posted: Mon Jan 21st, 2019 02:59 am
mhoward
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black06xlt wrote:
Several years ago I was at a used car lot looking at an 2010 sport ext cab 4x4. It had every option you could think of factory leather seats full length console with amp and sub and keyless entry. Pad was mounted above the door handle. My dad bought an 04 ranger tremor with fx4 level 2 package from enterprise rent a car with the same options. His truck was almost a year old when he bought it. So I'm gona say that it's a rare option
Adam, it is highly likely those were the WIRELESS keypads.  They are a Ford product, but they just stick on with 3M automotive tape.  You program those just like your key fob.  Based on all my research (exhaustively), the Ranger never had a keypad from the assembly line.  Notice in this picture how the keypad sticks out from the body of the truck.  The wireless keypads are quite thick.




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-- Michael

5th Gen - 2003 - Ranger Edge / Extended Cab / Flareside / 3.0L FLEX / Auto / 2WD / 8.8 Open 4:10 / Sonic Blue Pearl

So many mods... so little time...



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 Posted: Mon Jan 21st, 2019 03:17 am
black06xlt
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I remember my dads looking out of place you maybe on to something



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2006 ranger xlt ext cab 4x4 4.0 auto
1992 ranger xlt reg cab 2wd 2.3 5 spd (SOLD)
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1995 ranger splash reg cab 2wd 2.3 5 spd
2001 Explorer Sport Trac 4.0 4x4 auto
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 Posted: Mon Jan 21st, 2019 04:26 pm
Scrambler82
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mhoward...  you do know that all you need is a screwdriver, and you can open any Ranger Door ! 

That 70 mile trip of your son's must have been a PITA just for a key.

Lift Handle insert screwdriver, move around until makes contact with the Lock Rod, apply pressure against the Lock Rod and press downward on the screwdriver causing the Lock Rod to lift and unlocking the door...  !

Actually sucks that it is that easy !

Ltr

Last edited on Mon Jan 21st, 2019 04:27 pm by Scrambler82



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2003 EDGE, Std Cab, Steppie, E4 Red, 5sp, 4x
Large Tube Rear Axle, 31 Spline - FX4, 4.56 Gears, OX Locked
5" SuperLift, 33" x 12.50 x 15" BFG ATs,
Hurst Shifter w/Longer Replacement Shift Handle with (Homemade) Mounting Adapter; 1.5" up x 1" back.
Backrack mod'd to fit Steppie, Front and Rear Bumpers by Custom 4x4 Fabrication, OK.
Working on more Mods, just need more time, longer days would work !
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 Posted: Wed Jan 23rd, 2019 05:55 pm
mhoward
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@Srambler82: Yeah, I've know that for at least a couple of years. However, for some reason unknown, that didn't cross my mind when I realized my keys were locked in the truck. Go figure!



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So many mods... so little time...



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 Posted: Wed Jan 23rd, 2019 11:09 pm
JAMMAN

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HOLY CANOLI welcome back mhoward!



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 Posted: Thu Jan 24th, 2019 01:33 am
mhoward
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JAMMAN wrote:
HOLY CANOLI welcome back mhoward!
LMAO  Look at you acting all surprised and junk!  I had to share the keypad thingy in case someone else wanted one!  After all, I spent a LOT of time researching and testing this.  Can't let that effort go to waste.



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So many mods... so little time...



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 Posted: Thu Jan 24th, 2019 03:00 am
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Good to hear from you MHoward!!! 

I locked my keys in my truck Sunday. Couldnt find the spare. I pry the tab off the back of the rear slider. I've destroyed a few of these and broke the slider glass once. My 94 cougar had this feature and I intended to add it to my list of mods this summer. Thank you for the how too. I was gonna ask V8 level ll but you saved me the trouble. Thank you!!



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 Posted: Thu Jan 24th, 2019 12:20 pm
mhoward
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Thanks Eddie! As Scrambler82 pointed out, the "break into your own Ranger" trick will work, but you have to remember to do it. Keeps you from breaking something on your truck (slider window) or someone going out of their way to help you. :) Probably wouldn't be a bad idea to practice that unlocking technique just to get the hang of it.



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 Posted: Thu Jan 24th, 2019 04:37 pm
Scrambler82
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Ive performed the Screwdriver unlocking procedure a number of times. the time was actually on a Mazda Navajo (ie Explorer Sport) and it worked easily,

Was state practice will help.

Good Luck on the Keypad Access Mod, I like the idea but not sure if I want to do it.
Too many things on the procrastination list now !



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Ltr,
2003 EDGE, Std Cab, Steppie, E4 Red, 5sp, 4x
Large Tube Rear Axle, 31 Spline - FX4, 4.56 Gears, OX Locked
5" SuperLift, 33" x 12.50 x 15" BFG ATs,
Hurst Shifter w/Longer Replacement Shift Handle with (Homemade) Mounting Adapter; 1.5" up x 1" back.
Backrack mod'd to fit Steppie, Front and Rear Bumpers by Custom 4x4 Fabrication, OK.
Working on more Mods, just need more time, longer days would work !
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 Posted: Thu Jan 24th, 2019 05:53 pm
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Welcome back Michael. :cool:



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 Posted: Thu Jan 24th, 2019 07:19 pm
mhoward
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Mike69 wrote:
Welcome back Michael. :cool:
I never really left, Mike.  I just don't log in (except to post a how-to).



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So many mods... so little time...



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 Posted: Thu Jan 24th, 2019 08:17 pm
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We miss your bouncy.... personality.



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00 XLT 2WD RCSB 5.0 swap Gherkin
00 XLT 4WD RCSB 3.GO! Jalapeño
Modern technology has us all connected like the Borg on Star Trek. The Smart phone is a device used to keep us plugged into the coveted collective.
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 Posted: Thu Jan 24th, 2019 10:28 pm
mhoward
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I suppose you could use my avatar like a site mascot, if you like.  Hmmm, wonder what that would look like at the top next to the FR logo... :whatever:



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So many mods... so little time...



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 Posted: Fri Jan 25th, 2019 02:16 am
Eddie Money
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mhoward wrote:
I suppose you could use my avatar like a site mascot, if you like.  Hmmm, wonder what that would look like at the top next to the FR logo... :whatever:
Yep, I need to learn that trick. But if I cant get it down I have a back up. Lol



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 Posted: Fri Jan 25th, 2019 01:32 pm
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I guess my unchipped key in a magnetic box is old school.



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