high beams do not work.....

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high beams do not work.....

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Chevrolet Forums >> Chevy Trucks, Vans & SUV's >> Silverado >> high beams do not work.....

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high beams do not work..... - 5/9/2008 7:19:30 PM

NoBrakes

Posts: 20
Joined: 4/9/2008
Status: offline

I jumped into my truck yesterday and switched the lights from off to all the way up on the switch on the left side of my dash. (1998 chevy silverado) I had no lights except dash light so I switched the switch to off and I had my low beams and no dash lights - then I switched it to the mid of the switch and I had low beams dash and tail lights. Does anyone know Why I dont have high beams?
Thanks if anyone could help. --- My haynes manual is not helping me since it tells me a typical wiring schematic and the wire colors dont match up on there prints.

Post #: 1

RE: high beams do not work..... - 5/23/2008 10:16:49 AM

NoBrakes

Posts: 20
Joined: 4/9/2008
Status: offline

I finally fixed the problem ---- I changed out the turnsignal/cruise/wiper/highlowbeam switch on my steering column. Wallla everything works good --- but boy that was a tough job -- and I was able to do it without taking off the steering wheel -- but I still disarmed the air bags for safety reasons.

(in reply to NoBrakes)

Post #: 2

RE: high beams do not work..... - 5/23/2008 12:59:36 PM

fireman526

Posts: 450
Joined: 2/3/2008
From: Houston, Texas
Status: offline

Disarming the airbags was anexcellent idea on your part, lots of people get hurt or killed every year from accidental discharge, but nobody ever hears about it. I do at my job, cause we work in and around airbags all the time, thats the first thing we do is disarm the airbags. Glad you resloved your problem.

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(in reply to NoBrakes)

Post #: 3

RE: high beams do not work..... - 5/24/2008 12:02:25 PM

silveradolt1

Posts: 90
Joined: 1/7/2008
Status: offline

how did you disarm the airbag that is something good to know

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03silveradoLT

(in reply to fireman526)

Post #: 4

RE: high beams do not work..... - 5/25/2008 5:20:23 AM

shawnvw

Posts: 826
Joined: 1/18/2008
Status: offline

The fastest and easiest way to do it, is to d\c the battery and wait for 10 - 15 mins before doing any work. The airbag module will remain active for these 15mins untill its internal battery supply depletes.

If your in a hurry, a quicker way of doing it would be to d\c the battery, and hold the battery cables together for 30-60 seconds. This will deplete any source of voltage in the vehicle

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(in reply to silveradolt1)

Post #: 5

RE: high beams do not work..... - 5/27/2008 1:32:35 PM

a4d

Posts: 27
Joined: 5/11/2008
Status: offline

One of my teachers told me that ECMs' etc.. can retain their info for up to 3 months when disconnected on certain ones (mainly ford) but most will retain info for a couple of days. Wouldnt that mean that the sensors are still active? Can't you just pull an air bag fuse ,if there is one. I haven't looked.

(in reply to shawnvw)

Post #: 6

RE: high beams do not work..... - 5/28/2008 5:46:33 AM

golfer

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

quote:

ORIGINAL: a4d

One of my teachers told me that ECMs' etc.. can retain their info for up to 3 months when disconnected on certain ones (mainly ford) but most will retain info for a couple of days. Wouldnt that mean that the sensors are still active? Can't you just pull an air bag fuse ,if there is one. I haven't looked.

The ECM's are holding memory when the battery is disconnected .... not voltage.

(in reply to a4d)

Post #: 7