1AZCC00033-Chevrolet GMC Olds Isuzu Combination Switch

Replaces

1998 GMC S-15 Sonoma with Cruise Control with RPO Code ZN4 (1998 Extended Build) Combination Switch

DIY Solutions 1AZCC00033 1AZCC00033-358508-1998
Guaranteed to fit 1998 GMC S-15 Sonoma

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DIY Solutions
Brand #: BSS00607
Description

Vehicle Fit

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How-To & Tools

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Item Condition: New

Attention California Customers:

WARNING:  This product can expose you to chemicals including Lead and Lead Compounds, which are known to the State of California to cause cancer, and birth defects or other reproductive harm.  For more information, go to www.P65Warnings.ca.gov.

Lifetime Warranty

This item is backed by our limited lifetime warranty. In the event this item should fail due to manufacturing defects during intended use, we will replace the part free of charge. This warranty covers the cost of the part only.

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How to Replace Combination Switch 98-04 GMC Sonoma

Created on: 2021-01-16

Learn how to replace the turn signal and wiper switch, also known as the combination switch, on your 1998-2004 GMC Sonoma with this 1A Auto video

  1. step 1 : Disconnect the battery
    • Use your 8 mm wrench to disconnect the negative battery terminal.
  2. step 2 : remove the panel under the steering column
    • Use your 7 mm socket and ratchet to remove the bolts.
    • Remove the four 10 mm nuts securing the secondary panel under the steering column.
  3. step 3 : Remove the cruise control release
    • Unclip the cruise control release and disconnect it.
    • Set aside somewhere safe.
  4. step 4 : Remove the turn signal switch
    • Carefully cut the wire ties and remove protective fabric covering the wires.
    • Follow the wire ties down to the junction block and unplug them.
    • Use your screwdriver to pry off your tilt lever.
    • Remove the two T25 screws securing the steering column cover
    • Remove the E5 Star bolt underneath by the lock cylinder
    • Reinstall the tilt lever and lower the column and remove the top cover.
    • Unplug the small green plug connecting the turn signal switch.
    • Unscrew the T25 screws securing the switch.
    • Poke the wire out of the junction block with a screwdriver.
  5. step 5 : Install the new turn signal switch
    • Plug in the connector to the junction block.
    • Secure the switch with your T25 Driver
    • Plug in the green connector for the cruise control cancel.
    • Connect the junction block.
    • Reconnect your negative battery terminal and test that the wiring is all working properly.
    • Tidy everything up with wire ties and the shielding fabric.
    • Put the steering column trim panels on, screwing in the E5 screw and a T25 Torx screws.
    • Put the two panels back on with your 7 and 10 mm sockets and ratchet.

Tools needed for replacement

  • Ratchets & Related

    Socket Extensions

    Ratchet

  • Sockets - Metric

    7mm Socket

    10mm Socket

  • Star Drivers & Sockets

    E5 Socket

    T25 Driver

  • Wrenches - Metric

    8mm Wrench

Installation Video
Watch video

Fits these Makes

Year Make Model Description
1999-2005Chevrolet Blazer Chevrolet Blazer with Cruise Control Combination Switch
1998Chevrolet S10 Pickup Chevrolet S10 Pickup with Cruise Control with RPO Code ZN4 (1998 Extended Build) Combination Switch
1999-2004Chevrolet S10 Pickup Chevrolet S10 Pickup with Cruise Control Combination Switch
1998GMC Envoy GMC Envoy with Cruise Control with ID 26083635 Switch Combination Switch
1999-2000GMC Envoy GMC Envoy with Cruise Control Combination Switch
1999-2001GMC Jimmy GMC Jimmy with Cruise Control Combination Switch
1998GMC S-15 Sonoma GMC S-15 Sonoma with Cruise Control with RPO Code ZN4 (1998 Extended Build) Combination Switch
1999-2004GMC S-15 Sonoma GMC S-15 Sonoma with Cruise Control Combination Switch
1999-2000Isuzu Hombre Isuzu Hombre with Cruise Control Combination Switch
1998Oldsmobile Bravada Olds Bravada with Cruise Control with ID 26083635 Switch Combination Switch
1999-2001Oldsmobile Bravada Olds Bravada with Cruise Control Combination Switch

Part Interchange

Brand Label Part Number
DIY Solutions BSS00607

This item may be interchangeable with parts from other brands with the above part numbers. This information is provided only for reference and does not guarantee that the item you are purchasing is identical to parts with part numbers from the brands listed above. To confirm that this item fits your vehicle, use the above "Check Vehicle Fit" option.

DIY Solutions
Brand #: BSS00607
Product Reviews
4.71/ 5.0 21
21 reviews
5 Stars
4 Stars
3 Stars
2 Stars
1 Star
19
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1
Bad parts
January 22, 2017
Bad part not happy ...never trust you guys again thanks
S10 multi function switch
February 7, 2017
Thanks for the switch good price video really helpful made it easy to install thanks again Lono
Excellent Replacement part
February 11, 2017
This replacement part was excellent. It was an exact fit and works exactly the same as the GM OEM part it replaced. 1A-Auto's step by step how to video made the removal and installation process easier and very straight forward. I'm hoping I don't have to replace this part again, but if I do, I'll absolutely purchase this part from 1A-Auto again.
Thumbs UP for 1A Auto!!
February 26, 2017
1A saved me over $100 on this part. Shipping was very quick and the online installation video made this job a snap! Thank You 1A!
March 6, 2017
The signal does not click off after I turn the corner. I will see if it limbers up in a week or I will probably need a replacement.
works perfect
March 25, 2017
Fast shipping, works perfect. just the right thing
turn signal
June 18, 2017
I ordered this part arrived in a couple of days and is working great thanks
Great Replacement!
July 15, 2017
Couldnt be happier with this part. Perfect fit and works great.
September 15, 2017
The replacement was perfect. It fit great, the instructions were yet helpful
Works great
September 27, 2017
Good price, equal to OEM, 1A Auto has a video explaining the whole process, and got rid of a random blinker (turn signal) noise that has haunted me for the past 10 years!
Chevy S10 Blazer Turn Signal Replacement Switch
October 29, 2017
I installed the new switch easily thanks to the 1A auto tutorial video. The new turn signal switch works perfectly. All the weird problems with my turn signal flashers was eliminated. Thanks 1A auto. You have great prices and it's easy to order form your website. I would recommend this product to other Blazer owners like myself. *********************************************** ******************************************************************** ********************************************************************** ********************************************************************
Turn
October 31, 2017
Very good for the price.and has been working great since it was put on.
Installation of Part
December 10, 2017
I saw the video 1AAuto provide, I followed the instructions and installed it as if I had been a profession for years. Thanks 1A Auto.
Great fit and speedy arrival!
February 28, 2018
The part came within a couple of days which was sooner than expected! The part was a flawless fit and worked as it should. Very pleased with my order from 1aauto would and have recommend this to anyone!
Awesome Service
April 9, 2018
I would highly recommend A 1 Auto for parts not only was my item shipped to me within a couple of days thanks to the YouTube video it was very East to install. Great job A 1 Auto keep up the good work.
Great
October 13, 2018
The video on how to remove and replace this part was essential to doing this repair. The part was a exact replacement as usual!
Excellent
November 11, 2018
The left brake light was only working when the right turn signal was on and the car would pop out of cruise control. This switch fixed both problems. The price was the best I found. The delivery was fast. The job of changing the switch was made easy by watching the 1A Auto Youtube video. The only problem was removing the green connector at the back top. It turns out this is made much easier by just un-clipping the switch the green connector is plugged into first. It is very easy to do it this way.
Big savings
January 4, 2019
My truck needed this combo switch. The local parts store wanted just under $190 for the part. I purchased the part from 1a auto for just under $70 and with the aid of there install video it was an easy fix. Thanks 1aauto for the help and the savings. ????
Didn't Fix the problem
May 25, 2019
First of all, it was a missed diagnosis when I ordered this part. The part was shipped promptly and the written and video instructions were great. I had an awful time installing it, but that was my fault for not following the instructions carefully. It works fine but it it wasn't the problem. I think I know the real problem and I ordered the proper part. From 1AAuto, of course. I have already recommended you to a couple of others and will continue to do so. Jim lyons
November 18, 2019
Just as good ad original equipment at half the price.
Blinker assembly
December 25, 2019
The part fit like a glove, arrived sooner than I anticipated.
Customer Q&A
Ask a question to 1A Auto customers who purchased the product
does part include dimmer option ?
April 23, 2017
10
This part has the high beam control, both constant and momentary, but does not control the low beams.
April 23, 2017
10
Yes it does.
April 23, 2017
10
Yes--it included all functions of my oem switch assembly.
April 23, 2017
10
Dimmer is included and is standard for this part.
April 23, 2017
10
No only bright lights Dimmer is on dash
April 24, 2017
10
The turn signal switch has the hi and low beem function built into it, by pulling it towards the drivers position it will change your headlights for low to hi beem. It doesn't control the dimming of the instrument panel at all though.. Hope this answered your questions.. Thanks paul
April 24, 2017
10
If you mean the high low beam switch, then the answer is Yes, that is one of the functions of this MultiFunction switch.
April 24, 2017
10
Yes.
April 24, 2017
10
This part does not have a dimmer option. It controls the high beams (among several other things). I'm not sure if that's what you're asking about.
April 25, 2017
10
Yes
April 27, 2017
How long did it take to remove the bolt from the junction block?
May 9, 2017
10
You can you tube the process. The video is dead on. The whole job took me about 40 mins
May 9, 2017
10
It will not come all the way out. I used a flat head screw driver to pry it gently a part on all four sides.
May 9, 2017
10
about 15 min's I didn't see the bolt in the middle of the block at first, and it's hard to pull apart at first. hope this helps
May 9, 2017
10
3 minutes
May 9, 2017
Does this model come with the Air Bag connection as shown in the picture?
February 21, 2018
10
Yes it comes as pictured
February 21, 2018
10
Plug and play if your model has air bags it will be the same.
February 23, 2018
10
I am assuming so it is a module that just plugs in. Not a difficult process but you need a special small screwdriver that I had to go buy.
February 24, 2018
My headlights won’t come on and the high beam indicator light is on the dashboard, could replacing the combination switch fix the problem?
March 23, 2018
10
Check the connections underneath the engine-bay fusebox first. (Remove fusebox and turn it over) look for loose or corroded terminals. Poor crimping is not uncommon. After that it might be headlight switch or relay. I doubt the turn switch is the issue.
March 23, 2018
10
yes wire is broke in switch from tilt wheel use
March 24, 2018
10
Yes. That's exactly why I replaced mine. My lights worked, but were stuck on high beams. This fixed it.
March 24, 2018
Customer service

877-844-3393

Monday - Friday 8:00am - 9:30pm ET
Saturday - Sunday 8:00am - 4:30pm ET

GMC is a registered trademark of General Motors Company. 1A Auto is not affiliated with or sponsored by GMC or General Motors Company. See all trademarks.

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This part will only fit a 1998 GMC S-15 Sonoma with these options.