Quote:
Originally Posted by jt20
I'll take you up on that!
For an '85 W123, I have a battery light always illuminated from start until around 1.5krpm. But at idle the voltage across terminals and from + terminal to ground is steady over 14.2V.
New flux capacitor on the alt. (I forget the name of that thing)
From what I just read, it may be the bulb / socket in the cluster, correct?
The issue has been constant since the speedo cable was replaced and engine install.
Thanks!
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If battery light is working and you get 14+VDC across battery, you are usually able to get a charge. If battery light goes out when revving, I'd say you have an imbalance between the two circuits in the alternator. By Flux Capacitor I think you mean Voltage Regulator? If Reg is new then it's either poor, corroded or dirty electrical connections to alternator and/or maybe weak alternator - probably rectifiers.
Do you have an AC component in your DC voltage across the battery?