2000 xj wiring diagram coil pack b? - JeepForum.com
 
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post #1 of 13 Old 07-03-2012, 08:18 AM Thread Starter
BillB7581
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2000 xj wiring diagram coil pack b?

Does anyone have the wiring diagram for the coil rail and which wire is which. I keep getting a random p0352 code, coil rail is new, from what I can gather the coil has 1 power wire and the ecm just switches the ground in accordance to what it is seeing from the cam position sensor. Anyone know which wire is the ground for coil b? Or have a diagram of what goes where, I checked the wires visually but knowing which wire was which would help me narrow down the problem. I have sorted out my heat soak misfire but now this stupid problem cropped up.

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post #2 of 13 Old 07-03-2012, 08:50 AM
Saudade
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From the looks of it.....

Trigger wire #1 is gray and connects to the PCM on C1 Pin 7

Trigger Wire #2 is Dark Blue with Tan tracer and connects to the PCM on C2 pin 9

Trigger wire #3 is Red with Yellow tracer and connects to the PCM on C1 pin 1

So I'd check the C2 connector and make sure it's clean and well seated.
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post #3 of 13 Old 07-03-2012, 09:23 AM Thread Starter
BillB7581
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Forgive my ignorance which is C1 C2 etc?
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post #4 of 13 Old 07-03-2012, 09:33 AM
Saudade
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I assume they are left to right
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post #5 of 13 Old 07-03-2012, 09:44 AM
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Ah... C1= Black, C2=White, C3=Gray
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post #6 of 13 Old 07-03-2012, 09:57 AM Thread Starter
BillB7581
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Thanks bro... any idea if this could be a spark plug issue since it says Primary/secondary failed? I doubt it but I didnt realize these things needed to be tuned up every 30K. It's been at least that since I last tuned it up.

Going to have a look at that wire, and download the factory service manual from Pacific Coast Manuals when I get home.
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post #7 of 13 Old 07-03-2012, 10:39 AM
Saudade
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There are some troubleshooting tips here:

http://www.obd-codes.com/p0352
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post #8 of 13 Old 07-09-2012, 10:34 AM Thread Starter
BillB7581
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I dont see anything wrong with that wire. Plugs were worn out Autolite platnums (.085 gap) put the Champions in there with the right gap and it runs a lot smoother and hasn't acted up. Keeping fingers crossed that this fixes it.
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post #9 of 13 Old 02-15-2020, 11:09 AM
vtrans
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Iknow this is an older thread BUT, where does the Green wire go to from the coil pack connector???
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post #10 of 13 Old 02-15-2020, 12:02 PM
Saudade
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Quite old.

The Dark Green with Orange tracer (may be hard to see due to age of wire) ends up at the PDC Fuse #18 (15amp)
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post #11 of 13 Old 02-17-2020, 06:21 AM
vtrans
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Thanks Saudade, I'm have a bad time with this one I'm going to pull the harness out and ck all the wiring seeing the the temp outside will be warming up to 27 f heatwave Thanks
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post #12 of 13 Old 02-18-2020, 01:27 AM
mhjo
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Maybe it's time to get the Viper Coil mod from Ksuspension?

2000 Sport, K/N, 12 hole injectors, Viper Coil Mod, 62mm TB
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post #13 of 13 Old 02-21-2020, 04:57 PM
vtrans
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as I have read numerous times,,, DO NOT BY BULL CRAP AFTERMARKET PARTS...... period. changed out the CPS with a NAPA echilon runs great the old/new one never got out of the driveway.
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