2021 Ram ProMaster City, Alarm Wiring
Printed From: the12volt.com
Forum Name: Vehicle Wiring Information & File Requests
Forum Discription: Request Car Alarm, Car Stereo, Cruise Control, Remote Starter, Navigation, Mobile Video, and Other Vehicle Specific Wiring Info, Manuals, Tech Tips
URL: https://www.the12volt.com/installbay/forum_posts.asp?tid=147213
Printed Date: May 09, 2025 at 8:32 AM
Topic: 2021 Ram ProMaster City, Alarm Wiring
Posted By: kamikaze4299
Subject: 2021 Ram ProMaster City, Alarm Wiring
Date Posted: January 12, 2022 at 5:25 PM
Does someone have the wiring color diagram for the Ram ProMaster City Van (Small Van)? I have to install a Security System in one for a Customer.
Replies:
Posted By: kamikaze4299
Date Posted: January 12, 2022 at 5:28 PM
Its a 2021 ProMaster City (Small Van)
Posted By: i am an idiot
Date Posted: January 12, 2022 at 6:36 PM
Item Wire Color Polarity Wire Location Photo Note
12 Volts Red/Green (20A) + Ignition Switch, black 3 pin plug, pin 2 Directwire
Second 12 Volts Red/Black (60A) + BCM-Dash Fuse Box, 1 pin plug, pin 1
Ground (chassis ground)
Starter White/Red + Ignition Switch, black 3 pin plug, pin 3 Directwire
Ignition Dk. Blue + Ignition Switch, black 2 pin plug, pin 2 Directwire
Second Ignition Orange + Ignition Switch, black 3 pin plug, pin 1 Directwire
Accessory Gray + Ignition Switch, black 2 pin plug, pin 1 Directwire
Key Release Brown/Yellow Cut Key Lock Solenoid, white 2 pin plug, pin 2 Directwire
CAN Bus High Green (CAN C) Data BCM-Dash Fuse Box, black 60 pin plug, pin 44
CAN Bus Low Brown (CAN C) Data BCM-Dash Fuse Box, black 60 pin plug, pin 45
CAN Bus High 2 Dk. Blue (CAN B) Data BCM-Dash Fuse Box, black 60 pin plug, pin 58
CAN Bus Low 2 White (CAN B) Data BCM-Dash Fuse Box, black 60 pin plug, pin 57
Power Lock Violet/Red (need to relay isolate from switch) - 1000 Ohms BCM-Dash Fuse Box, black 60 pin plug, pin 51 Directwire
Power Unlock (same as power lock, front doors only); (for rear doors see trunk/hatch release) -
Lock Motor White/Black Reverse BCM-Dash Fuse Box, black 32 pin plug, pin 16
Driver Unlock Motor Orange/Green Reverse BCM-Dash Fuse Box, black 32 pin plug, pin 31
Passenger Unlock Motor (no progressive unlock)
Factory Alarm Arm (factory remote only)
Factory Alarm Disarm (transponder and ignition)
Parking Lights Green/Yellow (LF); Green/White (RF); Yellow/Red (LR); Yellow/Black (RR) + BCM-Dash Fuse Box, black 60 pin plug, pins 29, 15; 60 pin plug, pins 6, 5 Directwire
Parking Lights - Green/Black - Headlight-Wiper Switch, 10 pin plug, pin 3
Turn Signal (Left) Dk. Blue/White (F); Dk. Blue/White (R) + BCM-Dash Fuse Box, black 60 pin plug, pin 10; 60 pin plug, pin 1 Directwire
Turn Signal (Right) Dk. Blue/Black (F); Dk. Blue/Black (R) + BCM-Dash Fuse Box, black 60 pin plug, pin 8; 60 pin plug, pin 3 Directwire
Headlight Green/White (high beams) - Headlight-Wiper Switch, 10 pin plug, pin 2
Reverse Light Gray/Green + BCM-Dash Fuse Box, 60 pin plug, pin 44
Left Front Door Trigger White/Violet - BCM-Dash Fuse Box, black 60 pin plug, pin 54 Directwire
Right Front Door Trigger White/Red - BCM-Dash Fuse Box, black 60 pin plug, pin 53 Directwire
Left Rear Door Trigger White/Violet - BCM-Dash Fuse Box, 60 pin plug, pin 40
Right Rear Door Trigger White/Green - BCM-Dash Fuse Box, 60 pin plug, pin 56
Dome Light Gray/Dk. Blue - BCM-Dash Fuse Box, 60 pin plug, pin 9
Trunk/Hatch Pin White/Gray - BCM-Dash Fuse Box, 60 pin plug, pin 39
Trunk/Hatch Release Violet/Dk. Blue (rear doors unlock) - BCM-Dash Fuse Box, black 60 pin plug, pin 24 Directwire
Trunk Release Motor Orange/Dk. Blue (unlock only) Reverse BCM-Dash Fuse Box, black 32 pin plug, pin 30
Tachometer Brown/Yellow, Brown/Dk. Blue, Brown/Blue, or Brown/Tan ac Any Fuel Injector, black 2 pin plug, pin 1
Fuel Pump Violet/Green + Driver Kick, harness to rear
Rear Defroster Brown/Dk. Blue - Latched BCM-Dash Fuse Box, black 60 pin plug, pin 6 Directwire
Mirror Defroster (same as rear defroster)
Left Front Heated Seat Gray Reverse Driver Seat Heater Switch, 4 pin plug, pin 4
Right Front Heated Seat Gray Reverse Passenger Seat Heater Switch, 4 pin plug, pin 4
Speed Sense (wheel speed sensor)
Brake Wire Green/Black (functions with ignition on only) + BCM-Dash Fuse Box, black 60 pin plug, pin 34 Directwire
Parking Brake White/Yellow - BCM-Dash Fuse Box, 60 pin plug, pin 19
Horn Trigger Green/White - BCM-Dash Fuse Box, black 60 pin plug, pin 1 Directwire
Wipers White (LO); White/Red (HI) + BCM-Dash Fuse Box, black 32 pin plug, pins 3, 14
Left Front Window (Up/Down) (motor is part of module)
Right Front Window (Up/Down) (motor is part of module)
Left Rear Window (Up/Down) (motor is part of module)
Right Rear Window (Up/Down) (motor is part of module)
Radio 12V Red/Green + Radio, black 52 pin plug, pin 44
Radio Ground Black - Radio, black 52 pin plug, pin 43
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Let's Go Brandon Brown. Congratulations on your first Xfinity Series Win. LGBFJB
Posted By: kamikaze4299
Date Posted: January 18, 2022 at 7:55 PM
Thank You!
Posted By: audiokid1
Date Posted: January 22, 2022 at 8:02 AM
Did you already complete this install? I have some specific details for this vehicle that I could email you.
Posted By: kamikaze4299
Date Posted: January 29, 2022 at 12:36 PM
No I have not, but I am starting it today. Here is my email clintonecooper4299@gmail.com
Posted By: audiokid1
Date Posted: January 30, 2022 at 10:28 AM
I sent you an email with a few details. I hope it helps
Posted By: i am an idiot
Date Posted: January 30, 2022 at 2:31 PM
Can you post those details here as well? It may help someone else in the future.
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Let's Go Brandon Brown. Congratulations on your first Xfinity Series Win. LGBFJB
Posted By: audiokid1
Date Posted: January 30, 2022 at 5:40 PM
Please see attached photos
Posted By: i am an idiot
Date Posted: January 30, 2022 at 8:57 PM
Thank You.
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Let's Go Brandon Brown. Congratulations on your first Xfinity Series Win. LGBFJB
Posted By: audiokid1
Date Posted: January 31, 2022 at 3:48 PM
I wanted to upload this as a pdf, but forgot it's not an option.
Posted By: i am an idiot
Date Posted: January 31, 2022 at 7:14 PM
Look all the way to the right on the browse or search for files------------- Let's Go Brandon Brown. Congratulations on your first Xfinity Series Win. LGBFJB
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