Alternator/ Voltage Regulator
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Model: Cherokee
Alternator/ Voltage Regulator
I have a 91 Cherokee w/ 4.0L. I getting an intermitent Alt. idiot light. I would suspect the regulator. Question is. Is the reg internal in the alternator or is it in the computer?
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Year: 1998
Model: Cherokee
Engine: 4.0
It is in the computer. May want to get your alternator checked. Also a point of interest could be the battery temperature sensor located in the battery tray underneath of the battery. I'm not sure if the 1991 models have that.
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Year: 1988
Model: Cherokee
Engine: AMC242
1991 used the Nippondenso alternator, which is externally regulated. Regulator circuit is integral to the PCM.
Fortunately, failure is rather rare - check wiring and remove alternator for test at a local shop (not a parts house - those benches are worthless. Take it in the a dedicated alternator/starter house.)
The battery temperature sensor appeared in 1996, with OBD-II.
Fortunately, failure is rather rare - check wiring and remove alternator for test at a local shop (not a parts house - those benches are worthless. Take it in the a dedicated alternator/starter house.)
The battery temperature sensor appeared in 1996, with OBD-II.
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