[AT] OT- voltmeter spiking Jeep Cherokee

[Mike]

I will try the ground strap from the battery to the engine, if that 
doesn't solve the problem, I'll pull the alternator and have it tested. 
All the other gauges are working normally.

Thanks,
Mike M

On 2/21/2015 7:54 PM, Steve W. wrote:
> Mike wrote:
>> Hi Guys, wondering if any of you have some suggestions for me regarding
>> my daughters Jeep. The other day it simply refused to start, no spark
>> nothing. Did a little research and found out that it was almost
>> certainly the crankshaft position sensor. I ordered one only to find out
>> that Jeep put is where no mans have would fit. So after dropping the the
>> front drive shaft, and loosening the shifter linkage from the
>> transmission body, I was able to get to the two bolts holding the thing
>> to the bell housing. Using a 10" and (3) 3" extensions and a swivel I
>> was able to get the top bolt out, without any problem. Of course the
>> lower one was rusted tight; so I soaked it with Kroil for a few days and
>> was finally able to get it off. Heat was out of the question due to the
>> amount of grease in the area.
>> Now for my new problem, when I took it for a test drive it worked just
>> fine, but all of a sudden my check gauges light came on and I noticed
>> the voltmeter was pegged at 19. I quickly got it back home only to have
>> it go back to normal. So I grabbed my multimeter and took off for
>> another run, sure enough it spiked again, so I stopped with it running
>> and checked the battery voltage which read 14.3 as I would expect. Any
>> ideas on where to start looking for the problem? Any help would be
>> appreciated.
>>
>> Thanks,
>> Mike M
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> Toss a ground strap between the engine and the battery neg. See if it
> goes away.
>
> Cherokees have issues with grounds.
>