What is an Hdm module?

What is an Hdm module?

The headlamp driver module (HDM) may not operate properly in the thermal environment of the underhood electrical center. Loss of low-beam headlamps, when they are required, could reduce the driver’s visibility, increasing the risk of a crash. Correction Dealers are to replace the headlamp driver module.

Where is the fuse box on a GMC Envoy?

GMC Envoy (2006) – fuse box diagram Posted on 25 December 201624 October 2018by admin GMC Envoy (2006) – fuse box diagram Year of production: 2006 Engine Compartment Fuse Block The fuse block is located under the hood in the engine compartment on the driver’s side of the vehicle. L6 Engine GMC Envoy mk2 – fuse box – engine compartment (L6 engine)

Where are the modules on a GMC Envoy?

It has since solved his problem and he’s been very happy. Saved him a potential $200-$300 robbery from a mechanic. FYI: It’s the 4th “module” from the bottom left. Should be 3 grey identical modules, then this black one on top of those 3 on the left side. 2006 GMC Envoy Low Beams turning off intermittently.

Why is my GM Delco relay not working?

A bad solid state relay was the culprit. I removed it, looked it up to find the replacement, and noticed it was not OEM, but one from a local box store. The one right next to it in the fuse block was an original AC Delco part, and was still working fine, so I made sure I ordered an original to replace it.

Where is the relay on a GM Trailblazer?

After Googling the issue, it appears to be a common problem with this vehicle as well as several other GM vehicles. For the Trailblazer, it simply meant ordering this part and replacing the #46 relay in the fuse box under the hook (on the driver’s side of the engine compartment). No tools needed.

GMC Envoy (2006) – fuse box diagram Posted on 25 December 201624 October 2018by admin GMC Envoy (2006) – fuse box diagram Year of production: 2006 Engine Compartment Fuse Block The fuse block is located under the hood in the engine compartment on the driver’s side of the vehicle. L6 Engine GMC Envoy mk2 – fuse box – engine compartment (L6 engine)

It has since solved his problem and he’s been very happy. Saved him a potential $200-$300 robbery from a mechanic. FYI: It’s the 4th “module” from the bottom left. Should be 3 grey identical modules, then this black one on top of those 3 on the left side. 2006 GMC Envoy Low Beams turning off intermittently.

A bad solid state relay was the culprit. I removed it, looked it up to find the replacement, and noticed it was not OEM, but one from a local box store. The one right next to it in the fuse block was an original AC Delco part, and was still working fine, so I made sure I ordered an original to replace it.

After Googling the issue, it appears to be a common problem with this vehicle as well as several other GM vehicles. For the Trailblazer, it simply meant ordering this part and replacing the #46 relay in the fuse box under the hook (on the driver’s side of the engine compartment). No tools needed.