Hey just wondering about the pins on the connector. i have followed the wiring diagram found here: http://www.gearhead-efi.com/Fuel-Inj...Information-42
it shows high gear switch and TCC control for pins B and D. just wondering what pin A gets connected to. The diagram is not clear, at least to me lol. I had it going to switched 12v thru the brake switch but the tc wouldnt unlock unless i stepped on the brake. Should it go to ground? im trying to wire it up according to factory spec if i can.
The TCC will unlock when the brakes are applied, that's how the factory set up the TCC. There are TPS and MPH parameters in the chip for TCC settings that might need correction to unlock the TCC for your driving style. The TV cable might need adjustment also?
dave w
You need an normally closed brake switch so the TCC gets power while the brakes are released and cuts power when the brakes are applied.
The switch that goes to the brake lights is normally open.
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