Engine problems and wiring harness
#1
Engine problems and wiring harness
I have an ongoing problem with my 88 Camaro 350 TPI. Car was running fine and then suddenly developed problem of starting and then stopping almost immediately. After checking out various things including changing various sensors etc. including O2, engine coolant, ignition module, EGR solenoid valve have finally traced the problem to defective wiring in the engine harness. I am surprised the car was even going at all and that it never caught fire. Some wires poorly spliced and some wires with insulation burnt away.
I have found a replacement harness at
http://store.summitracing.com/Default.asp
Obviously this would be an easier job if the engine was out but can this be done with the engine in place - anyone have any experience of replacing the engine harness and any problems they may have encountered
Thanks for any help
Andrew
I have found a replacement harness at
http://store.summitracing.com/Default.asp
Obviously this would be an easier job if the engine was out but can this be done with the engine in place - anyone have any experience of replacing the engine harness and any problems they may have encountered
Thanks for any help
Andrew
#2
I've never done it, but from what I can determine most of the harness is mounted up higher in the engine compartment. Except for some of the lower mounted sensors, the bulk of the harness should be accessible from above. While there are som every tight places around the rear of the engien and at the distributor area, you should be able to remove the harness and install a replacement with the engine installed.
I'd suggest lots of photos. wire labels, and good diagrams before you begin the actual removal. You might even want to cut off the connectors and leave them plugged into whatever devices they connect so you'll have a wire color and plug reference for the new harness.
Plan on breaking and replacing some clips, a lot of protective sleeving, and possibly a sensor or two.
I'd suggest lots of photos. wire labels, and good diagrams before you begin the actual removal. You might even want to cut off the connectors and leave them plugged into whatever devices they connect so you'll have a wire color and plug reference for the new harness.
Plan on breaking and replacing some clips, a lot of protective sleeving, and possibly a sensor or two.
#3
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The wiring harness won't be too hard to figure out. As far as i have seen it is impossible to plug the wrong plug into a sensor. Yo will have a problem with the harness at the back of the motor. It is held there using the trans to engine bolts. They're a real pain to get to. To get to the wires running to the ecm you will have to partially remove the inner fender well.
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