94 Chevy S10 Blazer & Big 3?

[FredS3251 10+ year member]

Just curious if anyone has done the big 3 for this vehicle and possibly pics of it done. If not some suggestions on where i should run the wiring for it. Thanks Fred //content.invisioncic.com/y282845/emoticons/smile.gif.1ebc41e1811405b213edfc4622c41e27.gif

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[01 S 10 10+ year member]

4.3l ?

there is really only one "choice" in the Big 3 and that is where you ground the battery and engine block/alt to the frame, just make sure it is sanded down and shiny when you bolt the grounds to the frame. you can ground both to the same spot

 

[jbizzle 5,000+ posts]

Heres my big3 thread on an 02 trailblazer if that helps...

http://www.caraudio.com/forum/showthread.php?t=321997

 

[FredS3251 10+ year member]

its the 4.3L and I noticed the ground from the battery travels all the way down to the engine. It prolly shouldnt be hard at all for me to finish this then. Also I'm getting the wire from Knukonceptz. I think I read somewhere like 10 feet is good amount to complete the Big 3 is this right.

 

[jbizzle 5,000+ posts]

go with 15 feet, have extra just to be safe.

 

[KCha 10+ year member]

I can measure mine tomorrow and let you know about how much I used. The big 3 on my blazer was a breeze. I used the engine (alt mount) to chassis and battery grounds to the bolt that is located almost directly under the alt (stock).

 

[FredS3251 10+ year member]

KCha that would be perfect if you could do that. Do you really think I should fuse the line? Some have done then I hear of others not doing it. I will pay the extra cost for it to be fused if really needed.