Big 3 and Dual Battery Kits

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5vortec7

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Feb 28, 2018
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Denver
Interested in a big 3 kit for 1995 suburban 2500 4x4 7.4. Alternator and A/C compressor spots are swapped compared to the vortec motors 96+ FYI. Shipping to 99504
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gtcapron

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Dec 13, 2016
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Montana
Interested in a Big 3 kit for a 1996 Sierra K2500. Installed your headlight kit yesterday (have had it a while - just getting time to get it done) - worked out great - great job!
 

homeslice

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Sep 25, 2018
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Texas
Received the big 3 and 4HI headlight kits today, well packaged. The big 3 cables are huge, and well made. The 4HI kit is just as nice and the porclain connectors are a very nice touch. These will be on the truck tmrw.
 

Zar7285

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Oct 26, 2020
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Location
Anchorage, ak
Got my Big 3 kit installed. Great quality parts. Truck fired right up with no issues. Only issue I had was the firewall ground bolt broke off and I wasn't about to try to drill a new hole there. Ended up re-using one of the other ground wires to go from frame to body near the front of the engine. Not a lot of space for hands in some places so have to get creative with tools. Worst part for me was crawling underneath as my truck is covered in grease, oil, dirt, and was dripping water from melting ice for 3 days straight, in my garage. Mine is a TBI truck so slightly different from the vortec guys. Pics aren't the greatest.

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Greasemagnet

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May 4, 2020
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Kansas, USA.
97K1500 5.7, single battery with black cables instead of red. Zip 66614. Message posted about 4Hi , a question also. Thanks.
 
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