98 gmc 3500 hvac relay replacement - Hot Rod Forum : Hotrodders Bulletin Board
Hotrodders.com -- Hot Rod Forum

Register FAQ Search Today's Posts Unanswered Posts Auto Escrow Insurance Auto Loans
Hot Rod Forum : Hotrodders Bulletin Board > Tech Help> Electrical
User Name
lost password?   |   register now

LinkBack Thread Tools
  #1 (permalink)  
Old 01-07-2011, 10:54 AM
Registered User
Join Date: Jan 2011
Location: Ponchatoula, la
Posts: 1
Wiki Edits: 0

Thanks: 0
Thanked 0 Times in 0 Posts
98 gmc 3500 hvac relay replacement

I've replaced the blower motor relay before in a 06 gmc truck, but I can't find the relay on this truck? Anyone can help locating the relay connection? I've taken the plastic cover off the blower and can't see it.

Reply With Quote Quick reply to this message
Sponsored Links
  #2 (permalink)  
Old 01-07-2011, 03:26 PM
vicrod's Avatar
life is a ride

Last journal entry: 2014
Last photo:
Join Date: Nov 2005
Location: Telford, PA
Age: 74
Posts: 1,545
Wiki Edits: 0

Thanks: 3
Thanked 99 Times in 94 Posts
The relays are under the hood or on the left side of the instrument panel under a plastic lid.

Reply With Quote Quick reply to this message
  #3 (permalink)  
Old 01-07-2011, 06:02 PM
LATECH's Avatar
Hotrodders.com Moderator

Last journal entry: GTO Reproduction Hood
Last photo:
Join Date: Jul 2010
Location: Northeast Pennsylvania
Posts: 7,013
Wiki Edits: 0

Thanks: 440
Thanked 633 Times in 550 Posts
Some GM products in this era have the blower relay built into the blower resistor assembly.Also that year had a problem with melted connectors at the resistor.
Reply With Quote Quick reply to this message
  #4 (permalink)  
Old 01-08-2011, 01:23 PM
Registered User
Last wiki edit: Wheelbase database Last photo:
Join Date: Jan 2007
Location: Virginia
Posts: 4,722
Wiki Edits: 1

Thanks: 23
Thanked 412 Times in 368 Posts
Originally Posted by vicrod
The relays are under the hood or on the left side of the instrument panel under a plastic lid.

Nope. I'm looking at the factory service manual right now. The blower high speed relay is clipped to the top of the HVAC box under the dash. It should be just to the driver's side of the blower speed resistor. The relay is located here because the blower motor is inside the truck, under the dash.
Reply With Quote Quick reply to this message

Recent Electrical posts with photos

Quick Reply

Register Now

In order to be able to post messages on the Hot Rod Forum : Hotrodders Bulletin Board forums, you must first register.
Please enter your desired user name (usually not your first and last name), your email address and other required details in the form below.
User Name:
Please enter a password for your user account. Note that passwords are case-sensitive.
Confirm Password:
Email Address
Please enter a valid email address for yourself.
Email Address:
Please select your insurance company (Optional)


Human Verification

In order to verify that you are a human and not a spam bot, please enter the answer into the following box below based on the instructions contained in the graphic.

Currently Active Users Viewing This Thread: 1 (0 members and 1 guests)
Thread Tools

Posting Rules
You may post new threads
You may post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are On
Pingbacks are On
Refbacks are On

Similar Threads
Thread Thread Starter Forum Replies Last Post
HVAC system Shag0215 Engine 3 03-12-2010 10:38 AM
Cheap GM HVAC blower motor fix. M&M CUSTOM Electrical 8 05-17-2009 11:10 AM
moving the hvac unit to the trunk - questions lowROLLERchevy General Rodding Tech 10 06-21-2007 10:33 PM
HVAC tech's ????? k-star Hotrodders' Lounge 8 03-16-2005 09:19 PM
possible to use HVAC system? solowookie Interior 6 11-11-2002 12:02 PM

All times are GMT -6. The time now is 05:55 PM.

Powered by vBulletin® Version 3.8.7
Copyright ©2000 - 2017, vBulletin Solutions, Inc.
Search Engine Optimization by vBSEO 3.6.0 PL2
vBulletin Security provided by vBSecurity v2.2.2 (Pro) - vBulletin Mods & Addons Copyright © 2017 DragonByte Technologies Ltd.
Copyright Hotrodders.com 1999 - 2012. All Rights Reserved.