Relay/Electrical diagram help
09-25-2012, 03:04 PM
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Year: 1994
Model: Cherokee
Engine: 4.0l
Relay/Electrical diagram help
Does anyone have an electrical diagram of where all the relays are? or can tell me the area they are all in? I have a bad electrical short somewhere after my engine swap and I can't seem to pin point it. It makes my PCM have a high pitch noise when the key is in the on position and will not start. It has spark to all 6 plugs, but the injectors do not have any voltage going to them, therefore they are not pulsing. When I unplug certain things, it changes the frequency of the high pitch noise, but it never fully goes away unless i pull the fuse for the PCM.
09-25-2012, 06:43 PM
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Year: 1994
Model: Cherokee
Engine: 4.0l
Well I thought about that, but I dont see what we could have pinched, we pulled up the entire harness under the hood and removed the ckps and o2 sensor. the only thing i can think of is one of those wires in the bundle bent to much and broke, but i have no idea where to start looking
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