1990 Toyota Corolla w new battery and alternator installed last night, completely dead this morning

20

Asked by Nov 09, 2015 at 11:36 AM about the 1990 Toyota Corolla DX

Question type: Maintenance & Repair

1990 Toyota Corolla, last night installed a battery
and alternator, ran great. This morning vehicle
completely dead not even enough juice to turn
some light on. Additionally it just snowed and
portion of hood above alternator snow has been
completely melted, and we got 6 inches. Short to
ground somewhere?

6 Answers

20,445

Call the AAA, have them check out your charging system, they have a great battery service, and , if they can't figure it out, they'll tow you to the garage.

1 of 1 people found this helpful.
105,505

Sounds like you have a bad ground for sure. If you can charge the battery or get a jump, with the car running you should have about 14 Volts at the battery if not you will have a short at the battery...

4 of 4 people found this helpful.
20

It's in my driveway I'll charge it and see if it has 14 volts, would a short to battery make the alternator hot enough to melt snow off the hood current temp 30deg

1 of 1 people found this helpful.

There should be, at least there was when that car was new, insulation on the underside of hood. I just can't see how it would produce that much heat, especially with insulation to thaw snow from under hood.

4 of 4 people found this helpful.
20

It has insulation, I'm stumped too, I walked outside and realized a dry spot w no snow, opened the door no dome light, put the key in and nothing.

1 of 1 people found this helpful.

It won't have 14 Volts with engine not running. That is the output from alternator, then that is correct, But with engine off check this chart ... click on chart to size up

2 of 2 people found this helpful.

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