ok so I was able to pin out j Z and a from the wiring diagram I had to order some test leads before I try to test it but I have them identified at least. however when the tcm is plugged in everything on that harness gets ignition power 4 get 24 and 2 get 12v with the tcm unplugged 3 of them loose ignition power 2 of those are going to the pins. also I believe it was j has continuity with 2 wires in the harness neither of which is clean one is 6 ohm the other is 12 ohm
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m1165a1 transmission electrical help
- Thread starter Jwf
- Start date
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- 113
- Location
- Rosamond, CA
Me thinks your missing this panel with the parts for control and breaker feeding the TCM.
GI Joe hi-jacked the panel ? CAMO
GI Joe hi-jacked the panel ? CAMO
Yea that panel is gone. Any chance you would be willing to get me some pictures of the harness and where is goes?
- 7,519
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- Location
- Papalote, TX
Look at the page I referenced, the breaker, 24V switched, 12V unswitched before the relay and the relay are all behind the right seat.
Break the wires out and look for 14V switched (in run position) you will not find the 12V unswitched because you have no connection running between the batteries, that also means you do not have the lead heading out to the 14V (12V) tap on the regulator, you need to download the schematics for the truck also and look them over very carefully, you look to have a long row to hoe to get that butchered wiring system back together so patience and allot of getting used to reading schematics will be the order of the day.
What is the serial number of your truck, I will see if I can find the schematics for you.
- 7,519
- 10,543
- 113
- Location
- Papalote, TX
The first pic is what is located behind the seat, the second is the basic power setup.
It looks like you have already noticed but there are both upper and lower case pins on that TCM plug so you have to be mindful of that.
It looks like you have already noticed but there are both upper and lower case pins on that TCM plug so you have to be mindful of that.
Attachments
The serial number is 313618 I did figure out the upper and lower case I can already tell this is going to be a nightmare I really appreciate everyone's help so far