ok I pulled out PCM harness and I'm stuck on starter wires and. Alternater. There 3 wires coming out of drivers 2 red and purple then anotherred ties into it for heater wat wires I hook up for started and alt and on wiper motor there a plug wit blue wire witch I cut and the heater motor and wipers only work when it grounded.it's the connector with several wires. And wat control reverse light on t5 trans

 

It's a 89 rs that had an 305