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Old 01-10-2015, 10:31 PM
shertex shertex is offline
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Join Date: Jul 2004
Location: Barrington, RI
Posts: 5,877
Quote:
Originally Posted by Graham View Post
The climate control on a W210 always displays a voltage 0.6-0.7V lower than the actual battery voltage.

From what I recall, it is due to the presence of a diode in circuit. (That perhaps protects the ECU from the car voltage)
If that's the case, then my cars are pretty close to 14v.
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06 E320 CDI "Rutherford", Black on Tan, 172k mi, Stage 1 tune, tuned TCU
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