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Voltage drop problem BMW 325i


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Told you it wasn't the belt. You charged higher than that with your stock right?

THERE IS NO BUILD LOG!

1998 Chevy Silverado ext cab

Alpine CDA-9887

4 Team Fi 15s

2 Ampere Audio TFE 8.0

2 Ampere Audio 150.4

3 Digital Designs CS6.5 component sets

Dual Mechman 370XP Elite alternators inbound!

8 XS Power d3400

6 XS power d680

Second Skin

Stinger

Tsunami Wiring

Sky High

A Real Voltmeter not a piece of shit stinger.

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  • 3 weeks later...

So I ordered a new stock alternator, and the same exact thing is happening again.

With everything off and car at idle, voltage is 14v. If I turn the radio, heater and head lights on, it would go down to ~13.6v. If I also roll the windows down, it drops down to 13.2v.

If I rev the engine up to 2-2.5k and let go, it would drop down to 13.2v.

The pulley on alternator is very hot to touch and belt if kind of worm.

What could the problem be????

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