Diagnostic Aids
WARNING: This page is about a different variant/trim than selected.
- Other failures on the run/crank ignition 1 voltage circuit may cause erratic behavior on the front axle control signal circuit.
- The transfer case fill/drain plugs are good sources for ground.
- A TRUE B+ carries enough current to light a test light.
- A DIAGNOSTIC B+ is a low current circuit that DOES NOT carry sufficient current to illuminate a test light