Is there a problem with my Chevy S10 Blazer?

1994 Chevy S10 Blazer: electrical..the alternator there is connector… I have an electrical problem… I have an electrical problem with a 1994 Chevy S10 Blazer. Alternators have been burning up.Some things we have found in testing: On the alternator there is connector with two wires, brown and pink.

How does the ignition work on a S-10 Blazer?

Troubleshooting the ignition system in your S-10 Blazer begins with a basic understanding of how the system works. Electrical power is supplied to the primary coil of your ignition coil by the ignition module, generating a magnetic field around the secondary coil in the ignition coil.

How many volts does a S10 Blazer have?

Below is the diagram I am looking at. Yes, C100 is the bulkhead connector, and yes, there is a fuse panel direclty behind it. One of the Pink/Black wires shows to go to the 20 amp IGN/GAU fuse. Therefore, you should see 12 volts on that circuit 39 Pink/Black wire at the Alternator.

How to troubleshoot ignition system on Chevy Blazer?

Remove the coil wire from the coil, and hold the 12-volt test light close to, but not touching, the secondary coil tower that the coil wire was plugged into. Turn the ignition to the “Start” position and watch the coil. A bright spark should jump from the coil tower to the test light.

Why is my alternator shorting to ground on my Blazer?

Another symptom, one of the three wires coming off the ring connector connected to the back of the alternator is also shorting to ground but only when the horn fuse is installed (?) I cut the wires to separate them so that I could figure out which was shorting to ground.

What is the fuse diagram for a Chevy S-10 Blazer?

Diagram (1985-1994) № A Circuit Protected 9 15 1988-1994: Rear/Four Wheel Anti-Lock Bra 10 25 Heating & A/C 11 30 Circuit Breaker: Power Windows 12 10 1993-1994: Daytime Running Lights

When to replace a fuse on a blazer?

Replace the fuse as soon as possible. Before replacing a fuse check that the key has been removed from the ignition and that all the services are switched off and/or disengaged. Do not repair fuses and never replace a blown fuse with one that has a higher amp rating. This can cause damage to the electrical system and fire.

Where does the O2 sensor go on a Chevy Blazer?

Now at Splice S112, we can see that one of the Pink/Black wires leads to the O2 sensor and one to the Transmission. And with a manual trans, the O2 sensor leads from connector C100. Here is what C100 looks like. My diagram shows only one wire going to the large Batt terminal at the alternator.

Where is the charge indicator light on a Chevy Blazer?

The Brown wire from the alternator leads directly through C100 to the IP cluster charge indicator…So with the ignition key in the on position, you should be able to ground that brown wire and turn on the charge indicator light. Do this test with the brown wire removed from the alternator.