Today I made a DIY grounding kit for my GF. It would have been $10 except I got too much wire. I bought 15 feet and ended up using 7 feet.
All wire was 8g stranded copper wire from Home Depot. The insulation is gas and oil resistant, or so it states.
Alternator > Chassis
Intake Manifold > Chassis
Block > Chassis
Battery > Chassis
FINISHED (stealthy eh?
):
Alternator ground:
Battery ground:
Each of those fasteners have a ground behind them (alt + intake mani):
Block ground:
VOLTAGE BEFORE - WARMED UP @ LOW IDLE WITH LIGHTS/RADIO OFF
VOLTAGE AFTER - WARMED UP @ LOW IDLE WITH LIGHTS/RADIO OFF