Hi all My bus doesn't have a voltage regulator Do i need one? Or is it built into the alternator.... assuming this is an alternator Reason im asking is so far ive managed to kill two fuel gauges Each one worked to a fashion as in they would move so fast like a wagging finger then sink to empty. So i put on a new voltage stabilizer and there was a puff of little white smoke, and the die. I have tested the sender and all seams ok. It was suggested to me at techenders that it maybe because i don't have a voltage regulator in my wiring harness. ??? Sent from my SM-G960F using Tapatalk
Might be also worth checking what voltage your alternator is putting out. Just cos it's an alternator doesn't mean it's not got a broken regulator.
Thanks guys Ok how do i test it Is it as simple as connecting to the back terminal and an earth with a multimeter engine running? Sent from my SM-G960F using Tapatalk
Yes as above it has an internal regulator, should have the blue wire from the battery warning lamp connected to it. External regulator alternators have the three pin plug instead. You connect the mutimeter across the battery terminals with the engine running you should get a reading of 13.8V-14.2V
The dashboard voltage regulator, lets call it stabiliser screws to the middle screw behind the fuel gauge. It produces a pulsed 12 volts that averages out at 6 volts. If you feed 12 volts direct to the gauge without the stabiliser, it will dissipate 4 times as much power and smoke. Also will not be healthy for the fuel gauge sender on the tank. If you have burnt out gauges they may be repairable.. I just need one to practice on..
^this. Stick a voltmeter across the battery to measure the terminal voltage with the engine running as a starting point. Is your alternator connected at all at the moment?
