GM 4.3L, 5.0L, 5.7L Index of Articles

The blower motor resistor (located on top of the heater core housing and behind the glove box) isn't hard to test. In this tutorial I'll show you how to continuity test it with a multimeter in Ohms mode (Ω). NOTE: This tutorial only...   read more >>

In the table below you'll find the fuse location and description of the fuses of the fuse box on 1995 1996 Chevy Blazer (GMC Jimmy, Oldsmobile Bravada). The fuse box is located on the driver side of the dash. IMPORTANT: The fuse box...   read more >>

Sooner or later, the blower motor on your GM pickup (van or SUV) is gonna' give up and stop working. So, if you're having a ‘no blower’ problem, the first thing you should do is to check the blower motor. This can be done by...   read more >>

Removing the fan clutch from the engine of your GM pick up (van, mini-van, or SUV) can sometimes be a frustrating challenge (I've been there). There are several tools out that are designed to make the job a little easier... but that are just...   read more >>

Testing the blower control switch (on the A/C-Heater control panel), to find out if its bad or not, can be done with a set of simple multimeter resistance tests. In this tutorial, I'll show you how to get it done in a step-by-step way. This...   read more >>

So, you replaced the fuel pressure regulator, or the entire ‘Spider’ fuel injector assembly... and now, when you start the pickup (SUV, van or mini-van) it idles very rough! If this is happening to you, then let me tell you right off...   read more >>

When the blower motor resistor fails on your GMC pickup or SUV, the blower motor will only work in one speed and in a few cases not at all. Thankfully, testing the blower motor resistor is not that hard and in this tutorial I'll show you 4...   read more >>

How can I tell if my automatic transmission is bad? How can I tell if it's just a shift solenoid that's bad? How can I tell if my automatic transmission needs an overhaul? These are some of the most frequently asked questions I get and if you're...   read more >>

In the table below you'll find the fuse location and description of the fuses of the fuse box on 1997 Chevy Blazer, Oldsmobile Bravada, S10 Pickup, and GMC Sonoma. The fuse box is located on the driver side of the dash. IMPORTANT: The fuse...   read more >>