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

The 1993 throttle body fuel injection (TBI) system's computer has 2 connectors. One is red and the other is a blue one. Each connector has 2 rows of 16 slots for a total of... [read more]

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... [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... [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... [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... [read more]

Testing the blower control switch (on the A/C-Heater control panel), to find out if it's bad or not, can be done with a set of simple multimeter resistance tests. In 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... [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... [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?... [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... [read more]