Tested the alternator(ALT) the other day with good results. Down to the voltage regulator (VR).
This is a 3 tab VR labelled L, BAT, F
10 ga wire from battery to ALT term to BAT on VR. Good Ground from ALT case to VR case
Cont. Chk on Field (F) is good.
motor not running switch on
BATT Voltage(V) 12.02
V at ALT terminal 12.00
V at BAT term on VR 11.99
V at L term on VR 11.99
V at F term on VR 0.0
There was an 18 ga. wire originally attach to the BATT tab that I disconnected be cause it had 12V on it with the switch on or off,
Motor Running
V 11.8 at Battery
BAT tab on VR 11.75
ALT term 11.75
F on VR 0.0
L on VR 11.75
The gauge on the dash D|C does not move at any time.
I hate to change over to a modern style ALT, but it is starting to look like and option. The local parts house out here in the boonies wants about $50 bucks for a new 3 wire VR, no wiring diagram included.
Thanks for all the help