You did not specify the exact model of your vehicle resulting in me posting the wrong schematics previously. Here are the correct schematics.
The two wires going up to dash should be for the the cruise control and auxiliary usage.
Inbetween is the center high mount stoplight relay, which is located at right hand side of cowl, in engine compartment. The White wire to signal switch must have battery voltage when brake switch is operated. If no voltage is present you need to check the relay.
Thursday, October 11th, 2012 AT 2:55 AM