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Discussion Starter · #1 ·
I'm embarrassed to admit I can't find the voltage regulator on my 84 LeBaron 2.2 Turbo.


I had a bad battery drain and had the charging system checked. They told me the battery was in fact bad (or had become bad since I last had it checked a couple of months ago) and that the diodes were fine but the voltage regulator was no good.

The battery was completely free under warranty, but the AZ guy and I couldn't find the voltage regulator on the car.

The DSM says it's a separate rectangular unit bolted on the passenger firewall. Nope, can't find it anywhere I know some alternators have internal voltage regulators (in fact, every alternator I've ever changed did), but that should not be the case on this model, according to the service manual.

The alternator is a Bosch with both Bosch and Chrysler labels on it.

Just in case the charging system was changed at some point in the past to an alternator with a regulator, I looked at pictures of the various internal regulators on Rock Auto and they don't look like anything protruding from the alternator on the car.

Any advice?
 

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Discussion Starter · #7 ·
Thanks, guys. I just bought it.

I did see that on the RockAuto parts list when I looked, but it had the words "with internal regulator" on it, so I thought it must not apply to my model.

In any case, a lot easier and cheaper than a whole alternator.

Thanks!
 

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Discussion Starter · #9 ·
Update: I haven't gone and had the charging system checked yet, but the installation seems to have worked better than expected. Voltmeter gauge on dash stays constant and-- although this may be my imagination-- the little nagging things, like some voice alerts working and then not working, or other gauges fluctuating, seem to have disappeared.
 
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