Originally Posted by Guy Smilie
I think you just splice the two wires together with the single wire. I say "think" because that's what I did but haven't hooked it up to see if it works yet. I got that info from the experts on here.
Do a search "converting brake pressure switch from 2 wire to 1 wire configuration"
Yes, That's all you need to do.
One wire runs to the parking brake and other wire runs to ignition switch.
The ignition switch connection turns on the brake warning light so you know the bulb is working before you drive. It just grounds the circuit momentarily when cranking.