Garage Door Opener Transmitter: Description and Operation

CIRCUIT OPERATION
The garage door opener is powered by the 10 Amp fuse located in the junction block on the M1 circuit. This fuse is the Ignition-Off Draw (IOD) fuse and is located in cavity 5. This circuit is HOT at all times.

Ground for the opener is supplied on circuit Z1. This circuit terminates at the instrument panel left side cowl.