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Re: '97 grand cherokee electrical problem...

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DougW
 
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Default Re: '97 grand cherokee electrical problem... - 10-27-2009 , 10:03 PM






cal wrote:

Quote:
Battery connections seem good, they are at least tight. I plan to
clean them tomorrow. Just went out, and the jeep started fine, and
everything electrically seemed ok. I will see if this is something
that is heat related by driving some tomorrow, may go somewhere and
have the battery/charging system checked. Thanks for your help so
far. i will report back.
Might check to see if the level is low in any cells. (if you have
one that opens) I'd take the battery to PepBoys or similar and
have them test it.

One other poster had problems with starting and traced it to a
broken connector under the dash where the wires connect to the
ignition switch. A dirty or messed up connection there could
cause all sorts of problems.

It was posted in alt.jeep-l by Tamiami. If you get that group
you can find the post.

Quote:
"Starting at the starter and working my way back through the NSS, power
block fuses and relays, the interior fuses and relays and landing at the
ignition switch - I discovered it. There is an eight pin connector
attaching to the bottom of the ignition switch with colored wires going
into it from left to right:

or/coral - purple - or - red - empty - purp/white - blue - yel

Well, due to it being too short and having to make the hard left turn to
connect under the steering column, over time and 85,000 miles the
or/coral wire at the extreme left of the connector had pulled out of the
block and was shorting the adjacent purple wire. Once disassembled and
reconnected the old girl took right off. And so far, the only
consequence I can see is the backup light bulbs burned out.

Now, all I have to do is look into the steering column and see if I can
loosen the wiring harness retainers to offer a little slack to the
stressed or/coral wire.
"

--
DougW

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cal
 
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Default Re: '97 grand cherokee electrical problem... - 10-28-2009 , 05:53 PM






On Oct 27, 10:03*pm, "DougW" <I.only.read.use... (AT) invalid (DOT) address>
wrote:
Quote:
cal wrote:
Battery connections seem good, they are at least tight. *I plan to
clean them tomorrow. *Just went out, and the jeep started fine, and
everything electrically seemed ok. *I will see if this is something
that is heat related by driving some tomorrow, may go somewhere and
have the battery/charging system checked. *Thanks for your help so
far. *i will report back.

Might check to see if the level is low in any cells. (if you have
one that opens) *I'd take the battery to PepBoys or similar and
have them test it.

One other poster had problems with starting and traced it to a
broken connector under the dash where the wires connect to the
ignition switch. *A dirty or messed up connection there could
cause all sorts of problems.

It was posted in alt.jeep-l by Tamiami. *If you get that group
you can find the post.

Quote:
"Starting at the starter and working my way back through the NSS, power
block fuses and relays, the interior fuses and relays and landing at the
ignition switch - I discovered it. *There is an eight pin connector
attaching to the bottom of the ignition switch with colored wires going
into it from left to right:

* *or/coral - purple - or - red - empty - purp/white - blue - yel

Well, due to it being too short and having to make the hard left turn to
connect under the steering column, over time and 85,000 miles the
or/coral wire at the extreme left of the connector had pulled out of the
block and was shorting the adjacent purple wire. *Once disassembled and
reconnected the old girl took right off. *And so far, the only
consequence I can see is the backup light bulbs burned out.

Now, all I have to do is look into the steering column and see if I can
loosen the wiring harness retainers to offer a little slack to the
stressed or/coral wire.
"

--
DougW
Looks like you guys were right. Although there was no obvious problem
with the battery connections, I think that is the problem. I will
know for sure after driving a while. I replaced the negagtive battery
post clamp a couple years ago, and although it looked fine from the
outside, it was really corroded on the inside. Thats what i like
about this forum. You guys know your stuff. Thanks for all the help.
I plan to check the connection on the ignition switch sometime soon,
and see if that is responsible for my occasional starting problem.
thanks
cal

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