rear defroster help...

[MercRS]

my rear defrost wont lite up or turn on.I did a search and didn't see anything specific.
is there a good way to start,I am going to check fuses.
Thanks

[fastblackmerc]

See if you have power to the switch, then work backwards.

Switch
Relay
Fuse or circuit breaker

[Mr. Man]

What FBM said. Make sure the wire connector hasn't slipped off the grid or that it's not corroded

[MercRS]

ok will try thanks