Question about Jeep Cherokee

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Engine light is on have just under 14 volts all other gauges ok running fine . it dose have an ext idl switch

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Maybe a soft code and disapear--or cud have 02 sensor or vacuum leak issues--chec engine for hissing noises and test oxygen sensors

Posted on May 21, 2011

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Take it to the autozone and have them put it on the computer to read the code...it's free. hope this helps...

Posted on May 21, 2011

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My battery gauge goes out and my check gauges light comes on and battery doesnt charge in my 2002 dodge ram 1500 slt with 5.9 motor


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You may need a shop manual to get the wiring diagrams and test procedures.
The alternator output should be around 14 volts unless you have a heavy load such as headlights or the heater blower on high.
If voltage goes above 14 the regulator could be faulty even tho you say the alternator checked out ok on a bench test.
The regulator gets a power signal from the gauge on the dash to energize it. There could be a loose connection somewhere in the charging system, or something in the instrument cluster. Even the key switch could be a factor.

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its either the alternator has give out. or a loose or broken belt. if belt is ok and tight, then at battery there should be at least 13 volts when engine is off. when running, at battery should read 14 to 14.2 volts. if lower than 14 volts while running, replace or rebuild alternator. have a good day !!

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Sounds like the starter is going out. Autozone will check those for free. It's just 2 bolts mounting the thing. It's under the passenger side rear of the engine. Undo battery, those 2 bolts and keep track of which wires go where. Run down to Autozone for a check or a new starter.

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