Hardwire Installing Brake Controller In Vehicle That Does Not Have Stoplight Wire

Published 10/21/2015

Question:

Where/which wire is the one to control the brake lights/brake controller? The brake peddle switch has one wire that is 12v when the peddle is NOT depressed. When depressed that wire looses power but the other wires on the switch do not show 12V. Help!

asked by: Ted

Expert Reply:

In situations such as this, you will want to get the stop light signal from a different source. In my research, I was unable to find any vehicle specific information on your 2007 Isuzu N-Series pickup. As long as your vehicle has separate turn and brake light wires, you can splice the stop light signal wire into a brake light wire for the taillight.

If your vehicle has a center high mount stop lamp, the CHMSL is a great place to connect the brake controller's stoplight wire. The CHMSL can be used to gain a stoplight signal regardless of if your vehicle has separate or combined brake/turn wiring.

expert reply by: Victoria B