Headlights pulsing

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Headlights pulsing

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Chevrolet >> Chevy Trucks, Vans & SUV's >> Suburban >> Headlights pulsing

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Headlights pulsing - 9/26/2006 11:12:29 AM

mtr454

Posts: 1
Joined: 9/26/2006
Status: offline

99 Sub, Headlights, domelights, guages are all pulsing dim to bright every second. Alternator output seems fine 14+volts. Also the power steering stopped working at the same time. I think my wife tried to jump start a lawn mower and reversed the polarities (although she will not admit it) any thoughts??????

< Message edited by mtr454 -- 9/26/2006 11:17:33 AM >

Post #: 1

RE: Headlights pulsing - 10/12/2006 5:58:17 PM

golfer

Posts: 610
Joined: 10/8/2006
Status: offline

possibly the drive belt(s).

(in reply to mtr454)

Post #: 2

RE: Headlights pulsing - 10/15/2006 9:20:02 AM

BBBTHATROCKS

Posts: 26
Joined: 10/2/2006
Status: offline

Do a load test on the battery any parts store should be able to help you. Same thing was happening to my vehicle and then the battery died. It could definitely be the problem and it is an easy fix.

(in reply to golfer)

Post #: 3

RE: Headlights pulsing - 10/16/2006 10:38:05 AM

lost_in_alabama

Posts: 72
Joined: 7/17/2006
Status: offline

Check the ground on the motor and body. A bad ground will cause all sorts of odd behavior.

(in reply to BBBTHATROCKS)

Post #: 4

RE: Headlights pulsing - 3/14/2007 9:08:35 AM

helstrm

Posts: 1
Joined: 3/14/2007
Status: offline

Any updates on this one? I have the same issue and I have replaced the battery already. My truck has been doing this for about a year and everything else is working fine.

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(in reply to mtr454)

Post #: 5