Pilot Light Out

[appletim1]

The red pilot light indicator, (shown here illuminated from a photo from last year) on my CD27 is no longer lit when the battery selector is set to "all", "1" or "2". Apologies for the basic question, but is that indicative of a drained set of batteries?

I just installed 2 new AGM's within last 2 weeks...

[Steve Laume]

It could be indicative a 40 year old light bulb, finally deciding, it's filament has had enough.

I have been meaning to change that little indicator bulb to an LED. It's pretty amazing how long those things have lasted, Steve.

[appletim1]

It could be indicative a 40 year old light bulb, finally deciding, it's filament has had enough.

I have been meaning to change that little indicator bulb to an LED. It's pretty amazing how long those things have lasted, Steve.

Hopefully, that's the case. If not, what would it be?

[Jim Walsh]

It could be indicative a 40 year old light bulb, finally deciding, it's filament has had enough.

I have been meaning to change that little indicator bulb to an LED. It's pretty amazing how long those things have lasted, Steve.

Hopefully, that's the case. If not, what would it be?

You can test the two wires attached to the indicator light to see if they have power. If they do you need a 12 volt LED indicator light. Just pop the old one out of the panel and see what diameter the hole is so your replacement is the right size. They come in a few different diameters. Any electrical hardware store will have them....many auto parts stores, well stocked hardware stores, etc.