2000 B250 Couple of Issues

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Feb 14, 2017 | 07:56 AM

#11

rsdata

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Joined: Feb 2012

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From: N. KY

how can the alternator output voltage be regulated then?

Feb 14, 2017 | 10:50 AM

#12

alloro

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By bypassing the PCM and wiring in an external voltage regulator.

Feb 15, 2017 | 06:11 AM

#13

mikisurf

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Quote:

Originally Posted by alloro

Since he keeps mentioning the alternator, it sounds like what he's trying to say is the PCM/ECU has had it's internal voltage regulator bypassed. It's not that the entire PCM/ECU has been bypassed.

That's exactly what I'm talking about.

Feb 15, 2017 | 06:14 AM

#14

mikisurf

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Quote:

Originally Posted by alloro

By bypassing the PCM and wiring in an external voltage regulator.

In this case the new alternator regulate it. There isn't any external voltage regulator... everything is managed by the alternator.

Feb 15, 2017 | 10:10 AM

#15

alloro

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Quote:

Originally Posted by mikisurf

In this case the new alternator regulate it. There isn't any external voltage regulator... everything is managed by the alternator.

I meant external to the PCM.

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