Blazer Electirical Trouble - Automotive Wiring and Electrical


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Blazer Electirical Trouble

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Auto Repair Home>> Automotive Repair>> Automotive Wiring and Electrical

pastorleom1
New User

Nov 19, 2011, 2:01 PM

Post #1 of 3 (1673 views)

Blazer Electirical Trouble	Sign In

We have a 1996 Chevrolet Blazer 4.3 4WD standard vehicle, electric windows etc. The other night I smelled this scent tha...t reminded me of when an electrical outlet is burning. Yesterday we had a dead vehicle. After replacing the battery and battery bolts, I began to drive it home and noticed that under a load example lights on heater on etc. at a stop light the VoltMeter in the dash went down towards zero. This tells me it is most likely the alternator. However after asking the guy at the garage in which I left the vehicle running in the parking lot for a while, then on the way home at a stoplight I again put the same load on it and it didn't budge. Is this because even bad the alternator will still gave it a trickle charge? Should we replace the alternator? Thanks to those that will give their advice.

Hammer Time
Ultimate Carjunky / Moderator
Hammer Time profile image

Nov 19, 2011, 2:04 PM

Post #2 of 3 (1670 views)

Re: Blazer Electirical Trouble	Sign In

It's a pretty basic principle. If you suspect the alternator, put a voltmeter on it and see if it is charging.

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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.

Sidom
Veteran / Moderator
Sidom profile image

Nov 19, 2011, 3:32 PM

Post #3 of 3 (1637 views)

Re: Blazer Electirical Trouble	Sign In

As HT stated, you need to check the voltage at the battery while running to see where you are at....

Just one warning, there is a very bad DIY trick to checking a system which involves removing a battery cable while the engine running......Under no circumstance should you EVER do this...

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