2003 Chevrolet Tahoe Vehicle stalled

VHOLGUIN1

MEMBER
2003 CHEVROLET TAHOE
5.3L
V8
4WD
AUTOMATIC
191,000 MILES

Vehicle stalled while at a red light. Tried to start it but it Would not turn over at all. When I try to start all displays and indicators go off. Tried boost but did not work either. Towed it home.

I also heard relays chattering.

Wednesday, May 28th, 2014 AT 8:33 AM

5 Replies

JACOBANDNICKOLAS

MECHANIC
109,755 POSTS

Start by making sure that all battery terminals and grounds are clean and tight. It sounds like you have a bad connection.

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Wednesday, May 28th, 2014 AT 8:50 AM

VHOLGUIN1

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3 POSTS

All battery terminals are clean and tight, including the Alternator junction box connections. Any other suggestions?

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Thursday, May 29th, 2014 AT 7:42 AM

JACOBANDNICKOLAS

MECHANIC
109,755 POSTS

If you have power when you first turn the key on and then loose it when you turn it to start, a loose battery terminal or corroded connection is usually the problem. When the power goes off, does it come right back on?

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Thursday, May 29th, 2014 AT 6:59 PM

VHOLGUIN1

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3 POSTS

Yes, once I release the key from trying to start it the power does come back on.

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Friday, May 30th, 2014 AT 6:09 AM

JACOBANDNICKOLAS

MECHANIC
109,755 POSTS

Has the batter been load tested? If you turn the key on, turn the lights on and as many electrical accessories as the car has on, does the horn blow? I realize that sounds crazy, but if there is a dead cell in the battery or if something has shorted out in the battery, the horn will either not blow or be very weak.