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1957 - 1960 F100 & Larger F-Series Trucks Discuss the Box Style Ford Trucks

Electrical / Ignition upgrade plans

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Old Jan 14, 2025 | 04:41 PM
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GPAS 2WD 59 F250's Avatar
GPAS 2WD 59 F250
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Lightbulb Electrical / Ignition upgrade plans

Hey all,

I have a 59' F250 that will be getting a 1993 302 and a rebuilt T5z installed over the next few months. Along with the 302 and T5 Swap, I am swapping to a 3G alternator, HEI distributor, and a Ford Racing High torque mini starter. Because my setup is so specific, I haven't been able to find conclusive information on any individual forums. Just pieces that I have cobbled together. I'm also fairly new to electrical / ignition work. The diagram I made below is what I currently have planned. If anyone could look it over and let and let me know if I'm being stupid, I would really appreciate it. If this diagram will work, hopefully somebody else can make use of it as well.



 
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Old Jan 14, 2025 | 05:51 PM
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Byrd.Dog
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Depending on how clean your wiring is, you might consider swapping to a new wiring harness. I installed a universal 18 circuit harness from Painless & it made my motor swap, electric fans, electric fuel pump, etc. so much easier. Quality was good for the price, but if i was to do it over again, I'd go with American Autowire. Little more spendy, but my brother-in-law put one in his 72 Blazer & the quality is top notch. If you plan to add ANY more modern components to the truck, a new wiring harness just makes everything so much cleaner.
 
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Old Jan 14, 2025 | 06:05 PM
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GPAS 2WD 59 F250's Avatar
GPAS 2WD 59 F250
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Originally Posted by Byrd.Dog
Depending on how clean your wiring is, you might consider swapping to a new wiring harness. I installed a universal 18 circuit harness from Painless & it made my motor swap, electric fans, electric fuel pump, etc. so much easier. Quality was good for the price, but if i was to do it over again, I'd go with American Autowire. Little more spendy, but my brother-in-law put one in his 72 Blazer & the quality is top notch. If you plan to add ANY more modern components to the truck, a new wiring harness just makes everything so much cleaner.
That is definatley in the plans, but I've gotta stretch my funds as much as possible. I've got $14,000 in parts to buy over the next 6 months. Lol. The current wires aren't horrible. Showing their age for sure, but still functional. For now, I want to get it together and driving and then do the wiring kit after funds stabilize.
 
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