No spark in 2 wires.
CF Veteran




Joined: May 2012
Posts: 7,965
Likes: 964
From: Lost in the wilds of Virginia
Year: 1998 Classic (I'll get it running soon....) and 02 Grand
Model: Cherokee (XJ)
Engine: 4.0
Got a spark tester? If not, get one. They're pretty cheap. Like this:
http://www.autozone.com/autozone/acc...ier=10255_0_0_
You need to find out if the spark is getting lost in the wire, or if it never gets to the wire. I know they are pretty new, but sometimes things die an early death. Don't assume they are good - test them.
Same for the rotor. Don't assume it's good. Test it.
http://www.autozone.com/autozone/acc...ier=10255_0_0_
You need to find out if the spark is getting lost in the wire, or if it never gets to the wire. I know they are pretty new, but sometimes things die an early death. Don't assume they are good - test them.
Same for the rotor. Don't assume it's good. Test it.
CF Veteran
Joined: Aug 2011
Posts: 10,489
Likes: 24
From: Nor-Cal Coast
Year: 90,84
Model: Cherokee
Engine: 4.0,2.5
I figured as much. you didn't sound like BS. Yea, 01 has coil packs and no dizy, and best I know those are two different plug manufactures.
Anyway the cam sensor might deal with "pairs". I'm still learning Renix!
Anyway the cam sensor might deal with "pairs". I'm still learning Renix!
CF Veteran
Joined: Aug 2011
Posts: 10,489
Likes: 24
From: Nor-Cal Coast
Year: 90,84
Model: Cherokee
Engine: 4.0,2.5
Whatever you want to call it, the deal on the bell-housing senses the crank rotation. The one in the dizzy senses cam rotation. The cam sensor orients the puter' to which rotation a given piston is on. The crank sensor doesn't know if that four stroke piston is coming up on exhaust, or compression. Is My .02 anyway.
Last edited by DFlintstone; Nov 2, 2013 at 08:40 PM.
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