rich menga books search contact

***Secret FSR Fender guitars? Yes, they exist, and they're right here

Amazon links are affiliated. Learn more.

$86 fix

For a while now what's been happening with my 2005 GMC Canyon truck is that the interior cabin fans will suddenly and without any warning stop working, regardless of fan speed setting.

If fan speed settings 0, 1, 2 and 3 didn't work but setting 4 did, that's a blower resistor issue and an easy fix. Buy the resistor + wiring harness package ($35), have a mechanic install it. When all the speed settings don't work, that's a grounding issue. Under the hood on the passenger side is a splice block direct-mounted to the inner fender with a 10mm bolt. You have to take off the air filter cover to see that little black box.

What I did previously on my own was remove the bolt holding the box, sanded off the paint where the bolt met the metal, screwed it back in then sprayed a good coat of sealant to prevent rust. This provided a better ground contact but it only worked for a short while. Every so often the fans would conk out where I had to pop the hood, jiggle the box and the fans came back on until they went out again a few days later.

After a while the jiggling of the box didn't work anymore and the fans would not come back on, so it was time to pay a guy to rewire the thing.

The fix is to rewire the ground for the blower motor outside the block. A picture of what this looks like when the work is done is here.

I went to my local mechanic, told him about the issue, gave him the web page link and he did the work as described in the thread for $86. I didn't do the work myself because I next to nothing about vehicle electronics, so it was altogether better and safer to have the mechanic do it.

My fans are now working again as they should.

HOPEFULLY this will be the end of the wonky interior fans issue. The blower motor was replaced prior so I know that will last a while.

The resistor might still conk out at some point, which I'll know instantly if fan speeds 0/1/2/3 don't work but 4 does. However it probably won't given the ground for the blower motor is proper now, so that should prevent resistor burnout for a good long while.

📰Get Rich's newsletter to be notified of new articles

Best ZOOM R8 tutorial book
highly rated, get recording quick!

⭐ Recent Posts

Boss RC-5 Loop Station Guitar Looper PedalWill looper drums ever not suck?
It is amazing that this problem still exists.

The best looking Dean Z I've ever seen
This is an example of when Dean does the Z right.

Black Sabbath - Black SabbathMy favorite Black Sabbath track from their first album
It's not what you think it is.

Epiphone Prophecy Les PaulA secret of the Epiphone Prophecy Les Paul hiding in plain sight
It's right in front of your face and you probably didn't even notice it

Fender Player MustangShorter scale guitars with the most bang for the buck
You can go short without spending too much nor getting something too cheap.

🔥 Popular Posts 🔥

Boss RC-5 Loop Station Guitar Looper PedalWill looper drums ever not suck?
It is amazing that this problem still exists.

Casio F-91WCasio F-91W cheat sheet
A quick guide on how to set the time, date and a few other tips and tricks.

Casio A700WThe one reason why you should buy a Casio A700W
All F91W type watches should be this good.

Casio G-SHOCK GWM5610All atomic watches are saved... for now
There will come a time when buying a watch with atomic time sync functionality will be completely pointless.

Fender EsquireThe 5 types of guitars you should never buy
Some guitars that exist where the day after you buy them, you know you've made a mistake.

Gibson MarauderGibson's "Norlin era" electric guitars
Norlin era Gibsons are some of the worst guitars Gibson ever made. Find out why.

Casio CA-53WHow to set the time and date on a Casio CA-53 (with video and review)
Instructions on how to set the time and date on the Casio CA53 watch