[AT] OT- voltmeter spiking Jeep Cherokee

[Steve W.]

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.

-- 
Steve W.