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M1, pin 9 should be green, but mine is yellow/green http://92tealsupra.webs.com/88turbomtwiring.htm In the above link, connector B1. The space under pin 9 is filled with a teal/red wire. Pin 11 should be black/orange, I have gray. Pin 16 should be red/yellow, I have yellow/blue. Pin 19 should...

Which plug would that be? the B2/3?

I might need a yellow plug turbo manual harness if I can't fix my wiring harness woes...

The gauges I have tried both clusters (n/a and turbo). My car was previous auto, it is currently manual. The engine was pulled from a car, running, at Sound Performance. The engine was owned by an older gentleman, and it had all maintenance work done at Toyota. The wiring harness is low...

Just contacted the previous owner of the harness. Apparently the oil pressure and water temp gauges never worked with the harness... ---------- Post added at 06:24 PM ---------- Previous post was at 06:18 PM ---------- My white B2 connector looks to have all pins full on the body side...

white plug B2, 89+ harness, pin 4: for headlight relay Would this cause my headlights to not turn on? They flip up and down, just no lights.

Was just in there, M1 is plugged in. It's a smaller 10 pin plug. (Pic 1 below: yellow with gray plugged in) The fat (tall/wide) 10 pin plug has 5 pins. 1=black, 2=yellow, 4=white w/ red, 5=yellow, 10=white w/ green. I might have gotten 4 and 10 mixed up though. But colors are correct. The...

Yeah. I bought a yellow plug harness used. My buddy has an 87 that was using this gray plug harness and ecu. He bought a yellow plug AEM. I traded him. This gray plug harness has less than 10k miles on it. It was repinned to be used in an 87 body by a guy that used to work at Sound Performance...

Did wire colors stay the same between 87-88 and 89+? Body harness is 88, engine harness is 89+

See my problem is the opposite. The gray plug is too big for the female connector. And the female connector has 12 pins instead of 10. I'm not sure where the female plug for M1 is lol ---------- Post added at 01:07 AM ---------- Previous post was at 01:00 AM ---------- Thanks for the offer. I...

If I'm right, the fat gray plug in picture 5 is my M1 plug, based on size and number of pins. There are only 5 pins of ten in mine though

Sure thing, I'll do that first thing when I wake up tomorrow. I don't have ABS, so I shouldn't need to worry about that one I'm guessing

From that first link, it looks like the gray plug I have hanging about is my M1 plug, which has all of the wires I need... I just am not sure where they plug into on the body side...

No, the female side has 3_2_3, the male has 3_2_2 The wiring harness is 90+ turbo manual and the dash/body harness is 88 non turbo auto. The harness worked in my buddy's 87 turbo manual that the harness was adapted for...

I have a couple of plugs that don't fit underneath my dash near my ECU, and am not sure what they are used for...

Does anyone have a green plug igniter for 7m-gte? I'd like to check my igniter against the one I currently have to see if it'll cure the issue of my tach not reading...

How long does it normally take to build oil pressure?

Hey guys, I just finally finished my 7M-GTE/R154 swap into my 88. It was originally non-turbo/auto. My problem is this: I am building no oil pressure (on factory gauge) and my RPMS are not reading on the tachometer. I am using the factory gauge cluster that was originally in the car, with the...

^LOL! Nice model car :biglaugh:

Les, with the car idling (or trying to), jiggly the AFM sensor wiring and see if the idle improves. If it does, you have loose wiring, and may need to repin the connector. Or it could be the harness... but let's start with the jiggle test.