20 Most Recent 2005 GMC Envoy Xl Questions & Answers

could have faulty turn signal switch because the brake light circuit flows through the turn signal switch.

Plugging it into a diagnostic system or an OBD2 scanner could give you trouble codes as clues as to what's wrong. This will cost you for this service so shop around as price can be very different from company to company.. There are good mobile auto electricians out there who can come to you. Most modern vehicles have a built in immobilizer system. The ignition key and switch are part of it. Each ignition is coded to only that vehicle. By changing the switch you might have triggered this system and making it think that the vehicle has been stolen. If you have triggered the immobilizer and need to re-code the ignition you might have to go to a dealership to get it done.

Hi, with most vehicle there may be a problem that you can identify, yours may have a few issues. I think you would benefit from a visit to a trans specalist to check the box over then go from there once that issue is sorted or discounted as the cause of problems. Your description appears complex/compound...i.e. there are possibly a few things going on at the same time

Going up hill's an loses power , plugged catalytic converter . No relay for the cruise control . Your best bet , take your vehicle to a qualified repair shop.

But it still cranks over at normal speed? If so, you need to begin by checking for gas and spark. Have the fuel pressure checked first, if less than specified, that is your problem. The spec for your GMC should be about 50 psi, maybe even as high as 60psi.

As for the knobs, if you can pull them right off the unit just go to a scrap yard and pull some off a lower mileage vehicle, doesnt need to be the same exact one alot of gms will share the same parts. or try a site like this https://www.autozone.com/collision-body-parts-and-hardware/radio-knob/gmc/yukon-xl-1500

Yes, depending on if you have manual controls (Blower Motor Resistor) or automatic climate control ( Blower Motor Control Module), basically looks the same. Located on bottom of fan motor behind the glovebox. Need to remove plastic kick guard on bottom and look up. It's right there attached at bottom with 2 small screws. Must drop the glovebox door also, just release it down to get to the connectors into the blower itself.

You will need to remove the fuel tank from the truck and replace the fuel pump/fuel level sensor module that is inside the fuel tank. Use extreme caution when doing this as there is a real fire hazard.

need to remove door panel and test power , motor, connections and track

Typical bad ignition switch symptoms. Just might be a cheap repair there for ya. Little black box on bottom half of steering column.

Sounds like a problem with the shifter linkage. A linkage is basically the mechanical connections (rods, nuts, bolts, swivels, etc.) between two points; one is local and the other is remote. Motion or movement of one results in the same movement of the other. Your shifter is the local point for you and the transmission is the remote. If the linkage is bent, broken or missing parts, the local shifter movement will not be transferred to the remote transmission. A mechanic should be able diagnose and repair this for you pretty easily. Good luck!

Sounds like your electric cooling fan is not turning on. Check the fuses and relays associated with the fan circuit.

Your GMC Envoy has 4 wheel speed sensors: http://www.answers.com/Q/Speed_sensors_2005_gmc_envoy

Hello David..some GM vehicles have a feature called Twilight Sentinel which provides a couple of minutes of "headlight on" time after turning the vehicle off. (Check your owners manual for this features operating instructions.) If your headlights never turn off, the failure is most likely in the headlight switch as headlights are wired hot...meaning you can turn them on without the key in ignition.

Hey Stephen,,does the car turn over or is it completely dead? If the engine, lights, horn don't work it your new battery. Test or have tested, your new batteries charge and its performance under load. If the battery is okay and all the connections are tight and secure and still no start..provide some more info on the no start vs no crank question. Does the engine turn over? Your owners manual might also provide some notes on changing the battery.

Call a general motors dealer and have them run your vin. There was a recall on the wiper control circuit (I don't remember the year range). If there is no recall, that is still likely the problem.

Why not save a lot of money and aggravation,
and just go down the street to a local repair shop?

2005 GMC Envoy Xl For better result of your problem contact the reliable-store they have the best service manuals :))

You need to be more specific. When does it do it? which gears? could just be a transmission mount or universal joint.