38 big 4 upgrade diagram
Couple items to remove to aid in the big 3/4 upgrade. Remove the 12mm bolt (beige) for the hose mount (I used a ratchet wrench as the space is tight). You have to remove the oil housing bracket which is also the same point where the battery negative is grounded. The bolt is a 10mm bolt on the oil filter housing that hold the bracket (yellow). Oct 09, 2014 · I wouldn't bother with a second fuse near the alternator, depending on the length and AWG of your wire, but then again, more fuses is not necessarily a bad thing either. As for the Big 3/4 upgrade, typically, one is battery (+) to alternator (+); then battery (-) to chassis/frame; then chassis/frame to engine ground (either find the factory one ... Run a #4 wire to it and upgrade the ground wire, and you've accomplished more than the big 3, is much easier to do, and more effective at powering your accessories (and won't burn down your truck should you ever get a short in the alternator). _____ Big 4 upgrade d...