Wiring Question 1986

[VandalS]

In the engine bay there is a 4 wire connector, (Red, Yellow, Black w/green, Green w/yellow). The Black and Green wires are for the tach, what I need to know is where do the red and yellow wires go? I'm connecting things to a 1987 engine and I've got most of it figured out, just trying to figure this and the regulator/short protection wiring out.

 

[IDIBRONCO]

I know this isn't what you were asking, but wouldn't it be easier to just use all of your 86 wiring on the 87 engine?

 

[VandalS]

I know this isn't what you were asking, but wouldn't it be easier to just use all of your 86 wiring on the 87 engine?

The 86 and 87 are close but the 87 has the improved GP control. Otherwise it is pretty straight forward.

I figured out the wires go to the ammeter just not sure how they connect under the hood.

 

[IDIBRONCO]

Ok. I see what you're doing now.

 

[VandalS]

I still need to splice them in, but I found in the wiring harness where they go. For those that need wiring diagrams, the 8.00 or so spent through RockAuto for them was well worth it.

 

[chillman88]

I still need to splice them in, but I found in the wiring harness where they go. For those that need wiring diagrams, the 8.00 or so spent through RockAuto for them was well worth it.

I wondered about them. Is it an electrical manual you got or just like a Chilton/Hayes manual?

 

[VandalS]

I wondered about them. Is it an electrical manual you got or just like a Chilton/Hayes manual?

It was about 15 pages of schematics and plug pinouts for bronco - f350. Not the easiest set of diagrams to decipher, but better than not having them.


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