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1992 FSB XLT 5.8l EFI 4x4 with a 1989 351w from a Econoline.
I have a few wires here I'm not sure what to do with. Tad and Tab are in the same wire sheathing the one with black/red is concerning cause that's the color wires for the injectors.
Then one more black and red by it'self also I have a solid red wire and a brown /green stripe I have no idea what they are to or how to have em wired
Any and all information y'all may have please post. The truck does run good and is my daily driver. Check engine is on so I assume it will be EGR and all emissions related codes. I'm going to read those now
These unknown wires are from your Bronco engine harness? I hope you aren’t trying to use the engine harness from the van.
TAB, TAD and EGR solenoids are in that area as well as the air temp sensor. Up front you have TPS, IAC and coolant sensor. Is something not plugged in?
Thanks for the reply as far as I know it's the original harness. When I purchased the bronco it was in this condition. I just got sick of seeing the clips and check engine. I used some resistors for the EGR and it took off the check engine light but would stall at low rpm when getting off the gas. The passengers side is missing 2 one is the EGR not sure of the other one. The drivers side is missing the TAD and TAB and not sure of the other component. No tab or tad No pcv or egr
I can’t see much from those pictures. You’re zoomed in too far.
Is the connector that looks like it should plug in to a fuel injector on a long harness by itself? It could go to the power steering pressure switch. Is the the air conditioner compressor plugged in? Sorry about the guessing but I don’t have my Haynes manual here to look up wiring schematics.
The PCV valve would not be visible from that picture. It is in the top of the valve cover at the #4 cylinder and the hose connects to the upper intake plenum either at the back by the firewall or the top center. In either case there is no electrical connection.
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