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This is where things get interesting. There are 14 pink wires under connector 1 at the underhood fuse box. 10 of those are circuits 639 and 839. The two circuits for the coils. There are 3 connectors under the fuse box.
If you are getting voltages to those fuses and ground at the G107 point it looks like there is a break/short somewhere from the fusebox to the coil connector. So one of those pink wires that feeds the injectors is working but not the ones to the coils. At this point I would look at the connectors coming out of the fuse box. Connector1 is the one that powers the coils as well as other circuits.
Pull the connector off and circuit test the 639 and 839 circuit wires to the coil harness pink wire if all 10 of those fail to test there is a break somewhere between the fusebox connector and the coil pack connector. Also might want to look at the outputs from the fusebox from those circuits. Maybe just looking at the connector you can see the problem.
In any case, you are losing voltage from the fusebox to the coil pack connector. That connector under the fuse box might be a problem spot. Or at least can track from there.
Here is a connector end view of the fusebox connector. Unfortunately, it does not say where each pink wire goes, just lists the circuits.
This graphic will not save. So I will save the end view graphic and put in what pins to check.
A1, A6, B1, B5, C1, C5, D5, E2, E5 and F2
I just finished checking all 14 wires coming out of the fuse box. All are have power. The harness that has all the pink wires looks like it feeds back into the trans tunnel. Does that harness go into the car then back out to the engine bay?
I just finished checking all 14 wires coming out of the fuse box. All are have power. The harness that has all the pink wires looks like it feeds back into the trans tunnel. Does that harness go into the car then back out to the engine bay?
That connector only powers a couple of things in the rear of the car, otherwise powers everything else under the hood. So it stays in the front of the car. Now having some break and looking over at the schematics, look back at post 19. The 10 pink wires I mentioned are in that schematic. Pins A6 and E2 are the 2 pins that power the coils at the fuse box connector. Sorry that you checked them all. So you have power coming out of the pins at the fuse box. But nothing at the connector to the coil packs.
You are losing power in those wires between there so you need to trace back or continuity test those wires from the fuse box connectors A6 and E2 to the pink wire at the corresponding harness that connects to the coil packs.
Last edited by RedRiderZR1; Apr 29, 2018 at 02:12 AM.
That connector only powers a couple of things in the rear of the car, otherwise powers everything else under the hood. So it stays in the front of the car. Now having some break and looking over at the schematics, look back at post 19. The 10 pink wires I mentioned are in that schematic. Pins A6 and E2 are the 2 pins that power the coils at the fuse box connector. Sorry that you checked them all. So you have power coming out of the pins at the fuse box. But nothing at the connector to the coil packs.
You are losing power in those wires between there so you need to trace back or continuity test those wires from the fuse box connectors A6 and E2 to the pink wire at the corresponding harness that connects to the coil packs.
You are the man!!!!
I traced the wires coming from A6 and E2 out of the bottom of the fuse box this morning and found the issue immediately.
I can not thank you enough...
The previous owner spliced into the two pink wires. They ran them into the car under the glove box to this connector. This connector was just laying behind the glove box with a jumper wire completing the circuit. The jumper wire was barely hanging in there. I have no idea what this was intended for. Only thing I can think of is someone might have had a kill switch at some point in time to prevent theft by cutting the ignition.
Good job on finding the issue. That connection looks ridiculous. Was wondering how both of those circuits could be dead. I can see 1 having an issue but not both. The previous owner did one heck of a hatchet job on those wires.
Thinking the same as you that they used it as some sort of kill switch. Even if they did, better ways to do it than that. Good to see you found it.
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