Re: Perkins 4108 - Wiring diagram
With few exceptions on 4-108 The Tachometer (revcounter) gets it's signal from the "AC" connection on the alternator. If your alternator does not have one any rebuild
shop can add one. The tacho should be calibrated using a photo
or handheld tach.
Will & Muffin
Lucy the dog
"Yes, well.. perhaps some more wine" (Julia Child)