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I Need a TCM power relay, how do you make one?

5K views 13 replies 2 participants last post by  diboblo 
#1 · (Edited)
Title. Looking to make a harness to rig into the vehicle as the last piece of my nag1 swap to get rid of the p0887 code (last one) then I'll be set. I'm pretty inclined to make my own if I can get a wiring diagram (which are pretty few and far in-between for 08 and up models it seems). So if anyone can point me in the right direction for one, or can tell me how to do so I'd appreciate it.
 
#4 ·
I only have the 2006 workshop manual.

You can download it, here:

Maintenance, Service, and Parts Manuals | Chrysler 300 - Dodge Charger, Magnum, and Challenger

I don't think 2008 has different architecture. I know the CANBUS changed to high speed, but the pin assignments should be the same. I'll look them up & post them, for comparison, later.

Also, for even more info, check out the Chilton library:

Chilton Auto Repair Library | Roswell, NM

Bob
LuX Technologies - Custom Interior Light Mods for Chrysler / Dodge / Jeep Platforms [LX/LC/WK]
 
#8 ·
Okay, so with the info you gave me plus the SM, I made the relay easily enough (a few wire colors were different but I believe my substitutes are correct) but it's not supplying power out. The SM also says no ground on pin 86 of the relay, but your pictures do. Do I ground it or not? Attached a URL of the pic (yeah it looks real messy atm but I'll clean it up believe me).

https://cdn.discordapp.com/attachme...580505287354744874/IMG_20190521_160219502.jpg
 
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