Quote Originally Posted by redfirepearlgt View Post
Check for continuity from the negative post of the battery to engine ground, and chassis ground. Multimeter should read less than 2 ohms. First place to start if absolutely nothing on the car lights up, cranks, or engages electrically. if infinity add grounding as needed and recheck. Then check voltage at the main bus feed point on the car to chassis ground. Proves out the primary ground and voltage bus circuits. A test light will not suffice for such troubleshooting.
My brake lights, headlights, turn signals and backup lighs works, its the Ford Control Pack thats being the PITA.