77 Westy ALT Light On

Bleyseng · Post by **Bleyseng** » Thu May 03, 2007 3:59 pm

What the hell, the ALT light is on after I pull the key. Charging fine when running...13.85volts, new VR, good battery

LiveonJG · Post by **LiveonJG** » Thu May 03, 2007 4:41 pm

Probably a wiring problem. That light only comes on when there is voltage present on only one side of it. Alternator on one side, battery on the other. Turn key to on, the light comes on because only battery voltage is present. Start with the simple stuff like fuses. Disconnect the battery to see if it goes off. If not, alternator trouble if so, wiring.

<edit> Good luck! </edit>
-John

chitwnvw · Post by **chitwnvw** » Thu May 03, 2007 9:43 pm

I had the light always on thang, was a short in the alternator. Is the battery getting charged?

soulful66 · Post by **soulful66** » Fri Jun 08, 2007 8:59 pm

A bad volt reg will do this too.
Best Regards,
John

spiffy · Post by **spiffy** » Mon Jun 18, 2007 8:32 pm

Man, my battery light was on (very dim and barely pulsating) for the last 700 miles. Today, the battery finally didn't have enough juice to fire the starter.

This is a new one for me so where should I start hunting and how?

Itinerant Air-Cooled

Itinerant Air-Cooled

77 Westy ALT Light On

77 Westy ALT Light On