Huco Voltage Regulator installed
This is the Volts just after starting. It's a Cold reading
This is with the AC on and Headlights on. Car is still cold
AC Off, Headlights On
Headlights Off
Warm reading. Nothing on
After a 5 mile drive. nothing on
This why you don't trust your Cluster Voltage Gauge. I got 13.5 volts on the jump post and this is what it shows inside.
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1981 Porsche 928 "Euro" Auto Gunsmoke Metallic Flat - Black Interior
1983 Porsche 928S "US" Auto Light Bronze (Copper) Metallic - Brown Interior **SOLD**