Why does my GMC Duramax rear door not unlock?

Why does my GMC Duramax rear door not unlock?

The rear locks won’t budge (have to unlock manually). Looks like it could be the on/off relay switches. Is this very difficult to replace? Any instructions out there how to do this? Do I need special tools. Can I find the switches in my neighborhood auto parts store? :help Please

Why does my GMC Denali not lock and unlock?

Ok, something just started happening with our 2016 GMC 2500HD Denali 4×4 with the diesel. The remote door lock and unlock won’t work every time from either of our fobs.

Where is the door lock relay located on a 1998 GMC Sierra?

The door lock relay is located under the center of the dash. Wow! This is probably why none of my searches are producing informative results. I also currently own a 1998 GMC Sierra truck and the dash looks identical. I have the Chilton manual for my 98′ but it never dawned on me to look.

Can a power door lock only lock the passenger side?

On the passenger side the power door switch will unlock and lock the drivers side door but it will only unlock the passenger side. So that is the trouble I’m having Neither switch will lock the passenger side, I was wondering out of the three relays what one could cause that.

Is there a front door lock on a Silverado Sierra?

Ships from and sold by RadleyGMWholesale. Red Hound Auto 2 Ebony Black Front or Rear Door Interior Lock Knobs Tab Driver Passenger Compatible with Chevrolet GMC GM Silverado Sierra 2007-2013 (07 Classic Model Excluded) $16.09 In Stock.

The rear locks won’t budge (have to unlock manually). Looks like it could be the on/off relay switches. Is this very difficult to replace? Any instructions out there how to do this? Do I need special tools. Can I find the switches in my neighborhood auto parts store? :help Please

Why are the doors on my truck not unlocking?

What’s happening is all 4 doors will NOT unlock using the fob, passenger button or driver button. The only way to get into the truck is using the actual key. The power locks will lock just fine. When I press any unlock button, there is a clicking near/in the interior fuse box. There is no power going to any of the locks when I try to unlock them.

The door lock relay is located under the center of the dash. Wow! This is probably why none of my searches are producing informative results. I also currently own a 1998 GMC Sierra truck and the dash looks identical. I have the Chilton manual for my 98′ but it never dawned on me to look.

How to install electric door locks on a Chevy truck?

Electric Door Locks … Easy to Install Rear Door Panel Components Crew Cab 2001-04 Chevy S10 2001-04 Electric Door Locks … Easy to Install Padded Armrest Sets 1967-72 Chevy Truck, 1967-72 GMC Truck, Jimmy, Electric Door Locks … Easy to Install Electric Door Locks … Easy to Install

How to install electric door locks on a LMC truck?

Electric Door Locks … Easy to Install Electric Door Locks … Easy to Install Chrome Tailgate Handle, Chrome Outside and Rear Cargo Electric Door Locks … Easy to Install

Why are my front door locks not working?

I switched the two relays in the fuse panel that is on the driver’s side dash panel. The problem switched from the back door locks not working to the front not working. I think that the relay was $12 through my local chevy dealer.