Question about 1989 Chevrolet C1500

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I need toknow the circle of life to a alternator ?

I put a new alternator on my 89 Chevrolet pickup and he battery light stil comes on and flashes at times .I also loose power my truck want go over 30 to 40

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  • Chevrolet Master
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Should be good for five years,100000 km.

Posted on May 10, 2013


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Posted on Jan 02, 2017

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SOURCE: 1994 Chevrolet s-10 pickup won't start.

If the tach was dropping then the motor was dying not the accelerator. The accelerator cable is a cable so it can not have intermitent problems. There is nu under hood fuse panel or box. The only fuse box is on the drivers side od the dash and the relays are in the glove box behind an access panel and if they are not in the glove box they are hanging on the firewall or inner fender. I do not know what your problem is but i am hoping to clarify some of the previous discussion for you. Now some questions. Are the dash lights coming on when you turn on the key? What motor? If is a 4.3L is it a vortec or throttle body? Give me more info and i will see if i can help. Remember I am not with the vehicle so I do not know what it is doing so the more info the more answers.

Posted on Dec 19, 2008

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SOURCE: Alternator may be overcharging?

Yes It sounds like the voltage regulator inside the alternator has gone wide open .It can also ruin your battery and explode the battery.I would have it hooked up to a alternator tester and just to make sure it's not just your gauge.hope this helps

Posted on Jan 24, 2009

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SOURCE: I need a wiring diagram for 1987 Chevrolet 3/4 ton

The Haynes repair manuals usuall have wiring diagrams in the back of book.Around $20.

Posted on Oct 16, 2009

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SOURCE: red battery light came on and keeps flashing,

When the battery light comes on, the alternator is not charging the battery.
Cause may be: bad alternator, loose or broken belt, connection problems (loose or broken wires).

Posted on Nov 26, 2009

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SOURCE: battery not charging light comes on. new battery

I don't know what kink of car you have, but some will have a alternator fuse, also with a volt meter check voltage on big wire at back of alternator should have 13.5 + volt's, then check voltage at battery should have same voltage there also, do this with car running, if you do not have same voltage at battery less short between alternator and battery or bad fuse. There also some fuse links at starter on some car's.

Posted on Dec 03, 2009

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