You want to see 13.2 or higher to keep the battery healthy. Make sure all of your connections are good then with everything turned on get an amp reading on the positive cable. you might need more alternator.
1957 Chevrolet 5700 LCF 283 SM420 2 speed rear, 1955 IH 300U T/A, 1978 Corvette 350 auto, 1978 Yamaha DT175, 1999 Harley Davidson Softail Fat Boy
| 
