The trigger is the points, grnd, self explanatory and 12 volt switched is for the light,your back indicates an 8 cylinder, if you pull the cup off there may be a slider switch inside to choose the number of cyl.s, 4-6-8.
Edited by jalopy45 #4899 (02/12/12 07:15 PM)
Edit Reason: spullin
'45 Ford PU
'63 Nova Wagon 250 4 spd.
'96 GMC S15 4 cyl.