Hey guys. I need some help.

For some reason my rear defroster will not stay on. I can push the button, and the yellow LED turns on, but only stays on if I hold it. In no other fashion will it stay on unless I hold the switch in the on position.

It worked a while ago...when I mean a while ago I mean last winter...but stopped working since then.

Anyone have any advice on this?

Thanks guys,

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1975 W116 280S - SOLD
1994 W124 E320 Coupe - Gone

CURRENT - 1974 450SEL - 1987 560SEL