Jmw703 Posted April 3, 2012 Report Share Posted April 3, 2012 Just got my mechman alt for my mazda 3. Excited to put it in! But first, i was wondering, the tag/sheet that came in the box says i need to add a Negative wire from the alt to my battery negative. Im not really sure how to do this, the alt only has a terminal for the positive and a plug for the OEM harness. The other bolts on the casing of the alt are too small to fit a ring terminal on. Could someone clarify what im supposed to do here.? I already did the Big 3 for my old alt so i currently have 0g from positive alt to battery, 0g from ground to battery and 0g from ground to chassis. Quote 2008 Mazda 3s sport HU: Kenwood DDX318 Mids and Highs: OEM, upgrading soon. Mids and High Amp: adding soon Sub: AA Arsenal 2ft^3 @ 31 hz Sub Amp: BRZ1200.D w/ RF OFC 4 gauge. Big 3: Knukonceptz CCA FLEKS 0/1 Alt: Mechman 220a Source: Ipod classic Link to comment Share on other sites More sharing options...
01ExSport Posted April 4, 2012 Report Share Posted April 4, 2012 Ermmm...big 3 includes alt - to batt - slip a ring terminal from your batt - under a mounting bolt for your alt. Quote Link to comment Share on other sites More sharing options...
HypnotizedMind 91666 Posted April 4, 2012 Report Share Posted April 4, 2012 Ermmm...big 3 includes alt - to batt - slip a ring terminal from your batt - under a mounting bolt for your alt. Big 3: Alt + to Bat + Bat - to chassis Engine - to chassis Alternator uses the engine ground, no? Quote in a million, trillion, kabillion years,i would never play that song in my ride. I don't care if its clipped or not LOL. I feel like my nads got clipped after playing this for 15 seconds just to see what it was LOL. No thanks bro. Not into it. Link to comment Share on other sites More sharing options...
Jmw703 Posted April 4, 2012 Author Report Share Posted April 4, 2012 Ermmm...big 3 includes alt - to batt - slip a ring terminal from your batt - under a mounting bolt for your alt. Big 3: Alt + to Bat + Bat - to chassis Engine - to chassis Alternator uses the engine ground, no? I have the big 3 done correctly, but I don't know what to do about the neg from alt to batterywhen installing this thing. I have seen pics of other mechman alts and some have a ring for the negative on the casing but mine doesn't. Quote 2008 Mazda 3s sport HU: Kenwood DDX318 Mids and Highs: OEM, upgrading soon. Mids and High Amp: adding soon Sub: AA Arsenal 2ft^3 @ 31 hz Sub Amp: BRZ1200.D w/ RF OFC 4 gauge. Big 3: Knukonceptz CCA FLEKS 0/1 Alt: Mechman 220a Source: Ipod classic Link to comment Share on other sites More sharing options...
dima sochi Posted April 4, 2012 Report Share Posted April 4, 2012 Generator? from Russia eto nestavyat delayt farad Quote Link to comment Share on other sites More sharing options...
MECHMAN Posted April 4, 2012 Report Share Posted April 4, 2012 Ermmm...big 3 includes alt - to batt - slip a ring terminal from your batt - under a mounting bolt for your alt. Big 3: Alt + to Bat + Bat - to chassis Engine - to chassis Alternator uses the engine ground, no? The alternator gets grounded directly to the battery. This gives the best possible ground to the alternator, the path of least resistance. The OEM grounds are good enough for the engine management, there is no point in adding additional grounds for your charging system to the engine as electrical demand on the engine has not been increased. Alt+ to Batt+ Alt- (mounting bolt) to Batt- That is what you need for your alternator to perform it's best. Quote 1-888-MECHMAN www.Mechman.com [email protected] Link to comment Share on other sites More sharing options...
Jmw703 Posted April 4, 2012 Author Report Share Posted April 4, 2012 Yeah I was wondering how I am supposed to attach a ring terminal on the alt. there is no post on the alt for a negative wire and I can't fit a ring on any of the screws Quote 2008 Mazda 3s sport HU: Kenwood DDX318 Mids and Highs: OEM, upgrading soon. Mids and High Amp: adding soon Sub: AA Arsenal 2ft^3 @ 31 hz Sub Amp: BRZ1200.D w/ RF OFC 4 gauge. Big 3: Knukonceptz CCA FLEKS 0/1 Alt: Mechman 220a Source: Ipod classic Link to comment Share on other sites More sharing options...
01ExSport Posted April 4, 2012 Report Share Posted April 4, 2012 Drill out the ring or get one with a bigger I.D.? Quote Link to comment Share on other sites More sharing options...
Jmw703 Posted April 4, 2012 Author Report Share Posted April 4, 2012 I figured it out. Al is well Quote 2008 Mazda 3s sport HU: Kenwood DDX318 Mids and Highs: OEM, upgrading soon. Mids and High Amp: adding soon Sub: AA Arsenal 2ft^3 @ 31 hz Sub Amp: BRZ1200.D w/ RF OFC 4 gauge. Big 3: Knukonceptz CCA FLEKS 0/1 Alt: Mechman 220a Source: Ipod classic Link to comment Share on other sites More sharing options...
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