Engine wiring harness

[Devin]

Is the wiring harness that runs from IRCM - computer - injectors the same on all MTXs through the years?

Oh and there is a single think gauge cable (about or larger than the positive and negative battery wires) that has just two ends and a spike next to the screw hole on one side. I can't figure out where to put it... any ideas?

 

[shopartsnw]

There were some differences along the years, but I don't know if it will cause you problems. Gen 1 had one design. 92-93 had another version, and 94-95 had dual speed cooling fans. They should all plug into each other, but you would want to check the wiring diagrams to make sure you do not give yourself a problem.

Your large cable sounds like a battery cable. What year car are we talking about?

- Mike

 

[Devin]

1990 MTX. There are three cables that I pulled off, one I marked with red tape, one I marked with blue tape and one I marked with green tape. The red one has to be the positive battery cable. The blue one logically would be negative, since it is the only other one with a terminal connector on it. The green one has a metal bracket crimped onto the wire with a hole on it on each end. One of those ends has a smaller hole with a metal spike sticking out of one of the sides. I am assuming it is "keyed" to attach a particular way.

I guess I should add, it is considerably shorter than the positive cable and shorter than the negative cable.

 

[olympic]

That's the starter cable. It runs between the ignition solenoid and the starter. The positive battery cable runs to the solenoid, the negative battery cable runs to a stud on the transmission bellhousing.