Question about 1998 GMC Suburban

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How do I replace the high/low beam switch in my 98 Suburban?

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  • 7 Answers

The switch is bolted to the left side of the steering column under the dash. Make sure you have good lighting look under and pull the leaver as you would to turn high beams on. The switch is connected by a metal rod that runs up the steering column. You'll see it moving. Use the proper tool to remove the two bolts that bolt the swith to the column. Unplug the wire harness and angle the switch and it will release from the metal rod. Do not bend the rod! Be safe don't do this with your legs sticking out into traffic. Reverse the steps to reinstall. Good luck

Posted on Dec 14, 2014

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Posted on Jan 02, 2017

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  • 72 Answers

SOURCE: no headlights

You need to start by checking the fuse for your headlights (low beams). The DRL could be be bad, but I have not seen them go out very often.

Posted on Jun 08, 2009

  • 1348 Answers

SOURCE: 2004 Envoy, low beam headlights turn off on their own.

the daytime running light module is no good.,or the relay is overheating and cutting out and comes back on when cool.get some freeze spray from an electronic supplier and spray the suspect component when it stops working.the -60f will make it appear fast..cheers

Posted on Jun 14, 2009

AUTODOC01
  • 216 Answers

SOURCE: GMC truck light issue: My high beam / low beam

well as a tech i dont recomend it but all you got to do is swap the wires on the headlamps at the bulb you will see 3 wires one is a ground the other feeds low beam the other high beam . take a test light and find the one thats hot and cut it and connect it to the other blade , leave only one wire on the low beam terminal so you dont short it out .

Posted on Aug 27, 2009

Testimonial: "Great info many thx"

miket756
  • 2702 Answers

SOURCE: daytime running lights work daytime/no low beam at

its likley to be the head light censor

Posted on Oct 24, 2009

  • 564 Answers

SOURCE: Low beams don't work; High beams fine. Not the

some have fuse under hood for high beams & low beams,,if ok,,u mite need a high & low beam switch,,,,

Posted on May 24, 2010

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Related Questions:

1 Answer

High beams do not work


I had this issue as well. My headlights did work but the high beams didn't. I replaced the high low beam switch under the dash bolted to the steering column. Go to rockauto.com and it'll be under your vehicle under electrical switches. The switch heats up and gets stuck in high or low. Common problem. Good luck!

Dec 13, 2014 | 1998 GMC Suburban

2 Answers

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Well the high and low beam lamps use the same fuses, and the dimmer switch handles the ground circuit. So I would check the dimmer switch if both high beam bulbs are ok.

Jul 23, 2013 | Cars & Trucks

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98 regal low bed don't work but the high beams do....????? HELP ME PLEASE


Turn on the low beams and check to see if you have battery voltage at the connectors, if not, check the fuse panels for a blown fuse, if all the fuses check out Ok, The next step is to check the high beam switch, called a multi-function switch on the column. It's not that common for the headlight switch itself to fail, however, the main connector to the headlight switch can and do fatigue, sometimes even melt due to a poor connection. I would check for that first as it is a common problem. Your wiring diagram will give you the wire color codes so you know which wire to test.

Apr 21, 2013 | Cars & Trucks

1 Answer

My low beams wont turn on. only my high beams


low beams are on with the high beams does NOT mean the bulbs are good. The low beams have two separate filaments, one that lights on low beam and one that lights on high beam. That's why the low beams have three terminals but the high beams have only two.It's entirely possible that both low beam filaments have burned out. If the bulbs really are good, then the dimmer switch is the most likely problem.

Oct 12, 2011 | 1999 GMC Suburban

1 Answer

The headlamps on a 1999 suburban quit. The fuses, relays & headlamp switch are all good. Does the current flow for the high beams flow thru the low beams first because neither work. Any suggestions


No it is another circuit. Check theat you hav voltage at the high beam relay, in and out. If not you have a wiring problem between ther and the switch.

Aug 07, 2011 | 2003 Chevrolet Suburban 1500

2 Answers

1997 Suburban. Turned on headlights and truck completely died


under the hood there is a fuse box with a 50 amp fuse in it this may need to be replaced

Nov 14, 2009 | 1997 Chevrolet Suburban

1 Answer

How to replace the high beam bulb on a 98 GMC Suburban. What needs to be removed to get to it?


Headlamp Bulb: Service and Repair
REMOVAL PROCEDURE
1. Make sure the headlamp switch is in the OFF position.
CAUTION: Halogen bulbs contain gas under pressure. Handling a bulb improperly could cause it to shatter into flying glass fragments.
To help avoid personal injury:
- Turn off the lamp switch and allow the bulb to cool before changing the bulb. Leave the lamp switch off until the bulb change is
complete
- Always wear eye protection when changing a halogen bulb.
- Handle the bulb only by its base. Avoid touching the glass.
- Do not drop or scratch the bulb.
- Keep dirt and moisture off the bulb.
- Place the used bulb in the new bulb's carton and dispose of it properly.
- Keep halogen bulbs out of the reach of children
NOTE
: Avoid touching the bulb or letting the bulb come in contact with anything damp. Oil from your skin or moisture on the bulb can cause
the bulb to explode when the bulb is turned on. It either comes in contact with the bulb, clean the bulb with alcohol or a suitable degreaser and
wipe the bulb dry.
2. Remove the bulbs from the headlamp capsules by reaching from the engine compartment and by twisting the bulb counterclockwise.
3. Remove the 2 long screws from the top of the radiator support.
4. Pull forward the headlamp assembly (3).
5. Disconnect the electrical connector (2) from the burned out bulb assembly (1).
INSTALLATION PROCEDURE
IMPORTANT
:
- Replace a high beam bulb with another high beam bulb. The high beam bulb has a red gasket.
- Replace a low beam bulb with another low beam bulb. The low beam bulb has a gray tip and a yellow gasket at the base.
1. Install the new bulb assembly (1) into the headlamp assembly (3).
Twist clockwise the bulb assembly.
2. Seat the bulb assembly with the connector facing down.
3. Connect the electrical connector (2) to the bulb assembly.
4. Install the headlamp assembly.
5. Install the 2 long screws through the top of the radiator support.
6. Tighten the screws.

Oct 30, 2009 | 1998 GMC Suburban

1 Answer

98 Cherokee low beam lights work but the high beams will not


COULD BE DIMMER SWITCH ON COLUMN BUT THIS IS ONLY A GUESS

Feb 02, 2009 | 1998 Jeep Cherokee

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