connected to the park/neutral indicator switch, NOT A NEUTRAL SAFETY SWITCH. Under no circumstances should you connect these wires to a neutral safety switch. (A part/neutral indicator switch is a switch that tells the computer when the vehicle is in park or neutral, but a neutral safety switch is a switch. Aug 27, 2002 · Subject: RE: [EBML] [Bfix] Neutral safety switch wiring Looking at the 75-77 wiring diagrams, they're of little help when it comes to the ignition side of the circuit.. WIRING DIAGRAM COMPONENT LOCATIONS. When trying to locate a component in a wiring diagram and you don't know the specific system where it is located, use this handy component locator to find the system wiring diagram in which the component is located..
Oct 19, 2013 · Use a jumper wire to jump from one of the large posts to the small post with the purple wire. If it cranks, you've got an issue with the neutral safety switch or the ignition switch. Above the accelerator pedal is a 4-wire plug with a harness that runs down to under the accelerator pedal and to the transmission tunnel.. Apr 08, 2010 · Re: neutral safety switch Left the auto harness but got it this time, truck's up and running off a flip of the key; on my 03 F350 (years may vary by color) I tapped into pin 4/brown-pink wire (starter relay circut) on C1381a and grounded it..