hi Guy.....Just got a Q for yous...i have a 1983 HJ60 That Will not keep up charge at night Wren 4wheeling in the Day It Is ok and silts at 13-14volts ldling and When driving it's up a bit more but onces i hit the light You need to take the revs to 1000-1500RPM to keep charge to the battey....there is a wire comeing from the back of the Alt strat to the battey and still no good