no spark at #7 -
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Go Back > Models > Jeep Grand Cherokee & Commander Forums > WJ Grand Cherokee Forum > no spark at #7

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Unread 09-02-2014, 12:34 AM   #1
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1999 WJ 
Join Date: Sep 2014
Location: sydney, NSW
Posts: 1
Unhappy no spark at #7

Hi boys, Gotta 99 wj gc has a miss, did the plugs all came out nice except for 7 which was black and had no sign of wear at all, so new plugs same. Miss, swapped out ,7 coil pack for 1 same miss , pulled power from 1 made worse same 3 5 and no worse on 7 where do i go from here ??

ok just got multimeter and confirmed there is no power going to coil #7 - where does this power come from pcm thru relays does any one know where i can find a diagram

Last edited by aussie99gc; 09-02-2014 at 01:39 AM..
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