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01-03-2021, 02:11 AM | #1 |
Senior Member
Join Date: Jan 2008
Location: Melbourne, Victoria, Australia
Posts: 216
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Primary Power busbar for upgrades
So I am currently doing upgrades to my 72 C10, with a Holley Terminator Fuel Injection is first, then electric fans and Vintage air to follow. I believe these will all require a direct primary power feed. The pick up already has headlight wiring upgrade that has a direct feed from battery. If I have this correct I need a minimum of 4 primary feed sources, and was thinking of using the Bussmann LMI series, https://www.eaton.com/Eaton/Products...ries/index.htm to try and keep as tidy and effective as possible.
I am not very versed in auto electrics, so wondering if I am on the right track? Is there a better solution. How best to handle relays? Are there other items that will benefit from a direct power source, eg: fuel pump (Boyd Welding Aeromotive Stealth 340 In-Tank pump). thanks Roger |
01-03-2021, 08:32 AM | #2 |
Registered User
Join Date: Aug 2012
Location: Oklahoma City, OK
Posts: 2,477
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Re: Primary Power busbar for upgrades
This is my usual recommendation. This comes out of a 90's era GM truck. GMT400 series? Around here $5~10 in a Pull-a-Part with the wires included. Advantage of this is the factory fusible links are already installed on the wires. The large coiled red wire is the alternator feed. If you haven't already, a larger alternator is in your future if you go through with your planned electrical additions.
There similar new solutions like your Eaton product if you can't find a yard pull. Be sure to allow for fuses or fusible links to keep a small electrical problem from becoming a 'replace the truck due to fire' problem. |
01-03-2021, 08:53 AM | #3 | |
Senior Member
Join Date: Jan 2008
Location: Melbourne, Victoria, Australia
Posts: 216
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Re: Primary Power busbar for upgrades
Quote:
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01-03-2021, 01:40 PM | #4 | |
Registered User
Join Date: Aug 2012
Location: Oklahoma City, OK
Posts: 2,477
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Re: Primary Power busbar for upgrades
Quote:
Nice looking truck. |
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01-03-2021, 03:02 PM | #5 |
Registered User
Join Date: Oct 2016
Location: Dallas Texas
Posts: 2,877
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Re: Primary Power busbar for upgrades
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I went with this one. Fed it with 4 AWG from the Alt and connected it to the BAT with 4 AWG then connected everything to it. https://www.summitracing.com/parts/qdb-568102 -klb
__________________
67 C10 fleet fuel injected '70 402, 700r4, 3.73 posi 07 335 sport turbo 6sp 94 Trans Am GT LT1 6sp posi -- sold after 22yrs 99 540 sport V8 6sp -- sold 73 240z L24 4sp -- given to friend 68 C10 step 350/350 3.73 open -- sold |
01-03-2021, 08:44 PM | #6 |
Old member
Join Date: Jan 2002
Location: Liberty, & Garden City S.C. , U.S.
Posts: 19,936
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Re: Primary Power busbar for upgrades
Nice ride you have sir! I just picked up one of the bus bars a few weeks ago out of the local yard. I didn't think about the wires. I cut them all off to make it easy to pull. Dang Now I need to go back and find another one!
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1971 LWB Custom, 6.0LS & 4L80E, Speedhut.com GPS speedometer & gauges with A/C. 20" Boss 338's Grey wheels 4 wheel disc brakes. My Driver Seeing the USA in a 71 Upstate SC GM Truck Club 2013,14 and 2016 Hot Rod Pour Tour http://upstategmtrucks.com/ Get out and drive the truck this summer and have some fun! It sucks not being able to hear! LWB trucks rule, if you don't think so measure your SWB! After talking to tech support at Air Lift I have found out that the kit I need is 60811. Per the measurements I gave them. Ride height of truck inside spring and inside diameter of springs. |
01-10-2021, 10:11 PM | #7 |
Registered User
Join Date: Nov 2017
Location: Aubigny
Posts: 207
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Re: Primary Power busbar for upgrades
dead parrot do you know the rating on these . They are like a fuse but no markings on them except numbers . I have a bunch of them so would be nice to know
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01-11-2021, 06:34 PM | #8 | |
Registered User
Join Date: Aug 2012
Location: Oklahoma City, OK
Posts: 2,477
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Re: Primary Power busbar for upgrades
Quote:
On my salvage finds, unless the use is obvious, like the alternator wire in the pic, I try to match the copper wire size to what the gizmo I am running power for recommends and then the OEM link should be the proper size. |
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