Join Date: Jan 2000
Location: Houston, TX USA
Re: how to hide battery cable
I ran my cables from the trunk through the floor in the trunk, and then simply followed the fuel line up the inside of the frame rail. The positive cable runs all the way up the frame rail to just behind the pass. side upper arm at which point it goes under the header and hooks directly to the starter. I have a FORD solenoid in the trunk so there is NO POWER going through that cable unless the engine is being started. The positive cable going to the starter is now the only wire hooked up to the starter.
The ground cable follows the positive cable from the trunk, up the frame rail until it reaches the transmission cross-member at which point it cuts over and bolts to one of the bolts on the tail shaft of the transmission. No need to take it any further forward as everything on the engine is now grounded properly, and I also have another ground strap in the trunk running from the negative side of the battery to the metal hinge support. In the engine compartment, I have the ground straps going from the body to the block in hidden, out of sight places.
Using the Ford solenoid in the trunk really adds a good level of protection in that the cable to the battery is only charged during cranking. I run the charging wire from the alternator directly to the junction block on the firewall (also hidden) and then a wire from the junction block back to the battery for charging.
The cable I used to run from the battery to the starter is 1/0 fine stranded copper welding cable. This set up seems to work very well. Having the battery in the trunk, and hiding all wiring under the hood really cleans up the engine compartment, and also adds in weight placement right over that rear tire!
1969 383CI, T-56, 12 bolt-3.31 posi, 13" C5 Rotors, PBR Calipers, rear disc system..