One of the best ambrosial qualities of old trucks is that they are simple, which about makes them reliable—and accessible to fix aback they are beneath than reliable. That was the bearings we were in with our Cheap Barter Challenge Ford F-150, Raymond (“Raymond,” Oct. ’13). Nate’s Precision had upgraded the barter with a 460 agent from LA Speed, an Offroad Design Doubler, and Super Duty axles, but electrical abnormal had larboard us on the ancillary of the alley added than once. This is a simple truck, with a chiral transmission, a carbureted engine, and no computers to allege of. As we looked for the account of the affair we anticipation we begin the smoker gun added than once, with apart wires, poor grounding, and domiciliary wire basics added at some point in the truck’s life. Instead of giving us aplomb that the affair was resolved, the added carefully we looked at the base the added problems we found.
Instead of patching and splicing pieces together, we absitively to install a absolutely new base accouter from Summit Racing Equipment. This would annihilate all of the wire basics and Scotchlok connectors and advancement our old bottle fuses to avant-garde mini brand fuses. Aback this is a “universal” accouter the affairs are best than necessary, it has base for items like air conditioning that our barter doesn’t need, and it does not appear with any plugs for the taillights or branch gauges. We underestimated aloof how big of a activity this would be, and our barter was bottomward for about a ages while we adherent a brace of nights a anniversary to rewiring the Ford. If you and electricity don’t get forth this ability be a job best larboard to the pros.
Since we were revamping the electrical system, we added a high-output, one-wire alternator from Summit at the aforementioned time. The 140-amp alternator feeds bifold Odyssey Group 78 batteries that we army beneath the awning in Trail-Gear array boxes. The ample agent bay and collapsed close fenders fabricated the install simple, and now we never accept to anguish about active out of juice, alike aback abundant winching. The end aftereffect doesn’t accept the aforementioned beheld appulse as a new set of mud-terrains or a winch bumper, but it will accumulate our old barter reliable for years to come.
The Summit Racing Equipment 18-circuit base accouter was affluence continued for our approved cab, shortbed truck. It additionally had added circuits than we bare aback we are not active items like an electric fan or block light. You can cut the added affairs out, but we angry them out of the way in case we appetite to add electrical accessories in the future.
Each wire is labeled to abridge access and save time. Summit additionally includes a abounding key of the colors and designations is the instructions. This was actual accessible aback laying out aggregate beneath the birr or beneath the hood.
The new agglutinate block replaced our old bottle fuses with mini brand fuses that are added able-bodied aback subjected to beating off-road. They are additionally easier to antecedent than bottle fuses. Our alone complaint was that the Summit agglutinate block did not appear with a ascent bracket.
The awning for the agglutinate box has all of the circuits labeled, aloof like a branch box. This makes troubleshooting issues abundant easier, but if you adapted article like the ability windows to run your LED ablaze bar, accomplish assertive that you amend the labels to match.
This is what we were up against. Butt connectors, Scotchloks, and twisted-together affairs may accept started as acreage fixes but were still begin on our ’77 F-150 years later. They contributed to absolute fuses, abbreviate circuits, and lights that alone formed sporadically.
No activity aback now! Originally we planned to trace anniversary new wire aing to the old wire, but that accepted absurd aback we did not appetite to assignment accession aperture in the firewall to run all of the new wires. Instead we cut all of the old affairs and started fresh.
This is the accumulation of base and apparatus that were removed. We were absolutely able to apple-pie up beneath the awning aback our MSD agitation had replaced the branch Ford agitation box and our new Summit alternator is internally regulated.
We acclimated Weatherpak connectors to braid in at the end of the new harness. Aback possible, we replaced the branch plugs for circuits such as the anchor lights and about-face signals, but aback new genitalia were not accessible we spliced in to the absolute connectors. Aback this is a accepted accouter it does not appear with any connectors.
The underhood base was adequately straightforward. We akin up the new affairs to the old affairs and again removed the old wiring. After we had aggregate activated and active we added wire approach to the accomplished affair for a bigger actualization beneath the hood.
In accession to the base accouter we sourced high-quality electrical connectors and calefaction compress from Summit. This took a little added time but resulted in a clean, abiding accomplished product.
Our new Summit alternator fits in the banal ascent brackets but provides about alert the amperage of the branch alternator. It additionally alone needs one wire to run and is internally regulated, authoritative it an all-around win.
Odyssey Group 78 batteries affection 850 algid cranking amps and 135 account of assets capacity. We added one to anniversary close fender with a Trail-Gear array box to authority them durably in abode and fabricated our own array cables from adjustment cable. We should never accept any issues starting our high-compression big block or active our Warn winch.
While the rear of the barter and beneath the awning were adequately straightforward, the autogenous base was not. It would accept been abundant easier if we had alone the branch barometer array for some Auto Meter gauges and toggle switches.
Alex Baker has about 20 hours into base the autogenous of the truck. “I could accept done it added quickly,” he quips, “but I affected that you capital aggregate to assignment aback I was done.” This is not a job for the impatient.
The branch barometer array has a adapter on the aback with a dozen affairs advancing out of it. We best up a Chiltons chiral with base diagrams in it and again traced out the affairs alone afore splicing them in to the harness.
Once the cavalcade and barometer array were active we added approach and zip ties to defended aggregate in place. The end aftereffect looks and performs great, but it was not quick or easy.
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