97 Chevy Tahoe power cord under hood

Asked by Stephen Jan 03, 2018 at 12:14 AM about the 1997 Chevrolet Tahoe LT 4-Door 4WD

Question type: General

I thought my 97 Tahoe had a block heater with the
plug resting just inside the front grill. But after
looking closer, the cord runs to a small black box
about 3" tall x 5" wide x 1" thick. The box is
mounted within 1/2 of my battery. It has 2 thin
wires coming put of it. 1 red that goes to positive
battery post and 1 black that is screwed to right
fender. When i plug in a small green & red light
come on.  The labeling is worn so I can't make out
anything written on it. Any ideas?

3 Answers
101,595

KenF answered 6 years ago

Float charger to keep battery level maintained, especially in vehicles that have electronics added such as LCD players, etc.

Mark helpful

Stephen answered 6 years ago

There aren't any added electronics other than a stock radio. I'm guessing there wouldn't be much need for me to plug it in then. Would no help maintain battery power in extreme cold. I live near Chicago and the past week has seen it fair share of negative temps. It was -3 today and -12 with -27 wind chill yesterday..lol.

Mark helpful
101,595

KenF answered 6 years ago

It would help keep battery charged in extreme cold too, maybe that's why it was added.

Mark helpful

Your Answer:

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