2000 Blazer electrical shutdown when starting

[dennisfetters]

Hello,

I have a two-door 2000 V-6 Blazer. Lately when I try to start it, the complete electrical system goes dead. I can hear some things clicking behind the dash sometimes.

I wait for sometimes 20 minutes, and the electrical and lights all come back on, and it starts, but not always. Sometimes after I wait and try again, the problems reoccurs.

Anyone know what is causing this? So I can go home tonight...

Thank you.

[junior7]

As a start, without knowing what engine you have or any recent maintenance, I would take both positive and negative terminals off of the battery, hit them with a wire brush or sandpaper, and put them back on using a coating of di-electric grease on the exposed metal. Clean the cables and the terminals on the battery.

Sounds like loose or corroded terminals or a bad ground to me.

[dennisfetters]

Originally Posted by junior7

As a start, without knowing what engine you have or any recent maintenance, I would take both positive and negative terminals off of the battery, hit them with a wire brush or sandpaper, and put them back on using a coating of di-electric grease on the exposed metal. Clean the cables and the terminals on the battery.

Sounds like loose or corroded terminals or a bad ground to me.

Thank you. I will do that now. Had to get ride home, car still won't start. I did put a charger on just now and letting it sit. I guess I should have checked the battery if it was low or not first. Should have read your post first.

It's got the 4.3 liter engine, probably due for plugs and tuneup.

On trying to start, you hear the starter Bendix kick, but no turning of the engine, and then the lights and dash shut down completely. Dead. No electrics function at all, and after time when it comes back, the clock needs reset.

[dennisfetters]

Originally Posted by junior7

As a start, without knowing what engine you have or any recent maintenance, I would take both positive and negative terminals off of the battery, hit them with a wire brush or sandpaper, and put them back on using a coating of di-electric grease on the exposed metal. Clean the cables and the terminals on the battery.

Sounds like loose or corroded terminals or a bad ground to me.

You da man! Did what you said, started right up!

Sometimes it's amazing just how far a little common since can take ya. I'll tray to apply some of that someday.

Thank you very much for your help, probably saved me $1000 taking it in somewhere and getting taken advantage of.

[junior7]

Cool. Glad I could help you out.

Happy trails.