[AT] OT- voltmeter spiking Jeep Cherokee

[Mike]

Thanks Jason, I will try that. Now to try and find a clean spot on the 
engine and frame on a Jeep with 200,000 miles!

Mike M

On 2/22/2015 12:08 AM, Jason DeJoode wrote:
> A quick way to see if the ground strap will help is to take a set of jumper
> cables and clamp one black end to a good clean spot on the engine and the
> other black end on the frame to make a temporary ground strap. Then see if
> the voltage settles.
> On Feb 21, 2015 10:57 PM, "Mike" <meulenms at gmx.com> wrote:
>
>> 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.
>>>
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