Low voltage
06-16-2010, 09:51 AM
#1
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Year: 1995
Model: Cherokee
Engine: 4.0 I6
Low voltage
Pretty sure it's the altenator but my charge voltage is low some times and some times not. Will go way low if i let it idle for longer than a min or two and the battery is sluggish on starting
06-16-2010, 10:53 AM
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Year: 1998
Model: Grand Cherokee (ZJ)
Engine: 4.0
Before you replace the alt. check that the belt is tight enough. Mine did something similiar to this and the belt needed tightening ( I went ahead and replaced mine). Might work,might not, but it is worth a try.
06-16-2010, 03:50 PM
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Model: Grand Cherokee
Engine: 4.7L Petrol/Gas
Would totally agree with Drakan1908’s suggestion – also check the electrical plug connection to the alternator. Unplug, give the contacts a spray with WD40 (or similar) and firmly re-connect the plug to ensure a good electrical connection.
Before spending money on a replacement altenator, check the battery charging voltage with a meter, rather than relying on the gauge in the instrument panel.
Before spending money on a replacement altenator, check the battery charging voltage with a meter, rather than relying on the gauge in the instrument panel.
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