Hey Guys, I would like to fist say this is a great forum for supra info, I am a new Owner of a 1987 supra comp with 700H, run like a charm, 351W. I am in Quebec Canada so boat usally dont stay in the water all year long, , i will post picture soon, I have did original decail and I am working on my custom tower.... Mine will be KILLER
Anyway My alternator his new, previus owner change it!, The voltage when I am running is 14V, When I idle for 3-4 minute, the voltage drop to 9-10V, as soon as I give gas it come back up to 14V, I have a new baterie all conection and power cable are new. coult it not charge at low RPM?
Do you guys think the alternator was not properlly rebuit, or meabe the guys pu a car alternator??
Thanks Simon