No Spark Help
08-18-2012, 11:15 PM
#16
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Year: 90,84
Model: Cherokee
Engine: 4.0,2.5
Not to distract from this excellent company, just wanted to mention that there MIGHT? be wires to a second "post cat" 02 sensor on that 96? Idk, but if there IS a post cat 02...those wires back to there..plenty of places to ground.
I only mention that cuz you said "It", and there are two 02 sensors, I think.
I only mention that cuz you said "It", and there are two 02 sensors, I think.
08-18-2012, 11:24 PM
#17
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Not to distract from this excellent company, just wanted to mention that there MIGHT? be wires to a second "post cat" 02 sensor on that 96? Idk, but if there IS a post cat 02...those wires back to there..plenty of places to ground.
I only mention that cuz you said "It", and there are two 02 sensors, I think.
I only mention that cuz you said "It", and there are two 02 sensors, I think.
08-18-2012, 11:29 PM
#18
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Yea, I think it was Freedgr put me on to that. That long wire back there to the 02 heater? shorts, blows the ASD fuse. I got no auto shut down,,nothing post cat, guess I'm OK with that!
08-18-2012, 11:31 PM
#19
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Year: 1996
Model: Cherokee
Originally Posted by DFlintstone
Not to distract from this excellent company, just wanted to mention that there MIGHT? be wires to a second "post cat" 02 sensor on that 96? Idk, but if there IS a post cat 02...those wires back to there..plenty of places to ground.
I only mention that cuz you said "It", and there are two 02 sensors, I think.
08-18-2012, 11:33 PM
#20
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Mine did it when my floors rotted out. Nothing left to attach the wiring to so it dropped right onto the cat.
08-18-2012, 11:37 PM
#21
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All good! I do mean the wires though. If one of those back there is rubbing, buffeted by wind or chafing/getting pinched somewhere it might maybe wear through the insulation and touch metal. 
This is over my head...I might go knock it around, (those wires back there), and see if it still pops the fuse though.
This is over my head...I might go knock it around, (those wires back there), and see if it still pops the fuse though.
08-19-2012, 10:11 AM
#22
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Year: 1996
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I found a bunch of burned wires on the side of the engine! I'm splicing them all back together, ill let you all know how it it comes out.
08-19-2012, 03:25 PM
#25
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Year: 1996
Model: Cherokee
Engine: i-6 4.0
Originally Posted by ejxj96
It works! Thanks for the help everyone, I couldn't have done it without you.
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