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More on the 88 Cherokee


 
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rodneyjt24
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Joined: 19 Jul 2005

PostPosted: Sat Oct 28, 2006 10:32 am    Post subject: More on the 88 Cherokee Reply with quote

I replaced the camshaft and crankshaft sensors. The jeep started and then died when I put my foot on the brake. Has anyone heard of this?
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rodneyjt24
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Joined: 19 Jul 2005

PostPosted: Sat Oct 28, 2006 3:27 pm    Post subject: Reply with quote

Spent the day checking things out. Engine runs fine but if I try to use any other electrical, that is lights, radio, opening the door, sounding the horn, anything at all, the engine will die. Seems I have a short somewhere. 12.49 volts across the negative cable and negative battery terminal. Alternator connected or not makes no difference. Tried pulling fuses and relays and connecotrs to see if my voltage across neg will go away. Nothing yet.
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Tardis
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Joined: 07 Aug 2004
Location: Ohio

PostPosted: Sun Oct 29, 2006 12:44 am    Post subject: Reply with quote

rodneyjt24 wrote:
Spent the day checking things out. Engine runs fine but if I try to use any other electrical, that is lights, radio, opening the door, sounding the horn, anything at all, the engine will die. Seems I have a short somewhere. 12.49 volts across the negative cable and negative battery terminal. Alternator connected or not makes no difference. Tried pulling fuses and relays and connecotrs to see if my voltage across neg will go away. Nothing yet.

You can try a simple altenator test. With the engine running pull the battery cables off; it should stay running. If it doesn't have your altenator tested. My friends XJ started running funky when his altenator went bad.
Chrysler products run bad, or won't run at all with a bogus altenator. The ECM needs constant voltage to function properly. If it loses voltage, it loses memory, and fails. Also, check your grounds, the engine to body ground, engine wiring harness grounds, etc. A bad ground can cause a lot of headaches too.
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98' TJ, 99' XJ
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