davewms9605 Posted August 21, 2010 Report Share Posted August 21, 2010 Im looking at a new project..1993 BMW 318is and noticed the battery is in the stock location in the trunk!! Is the Big 3 the same as if it was in the front? How do i wire it..Also, if i want to run a second battery, do i just run it off the battery thats in the trunk? i know power wire will be like hella short!!! Current Setup: Sony CDX-7401UI 2- 12" Alpine TypeR DVC2ohm Subs Custom ported box 4-American Bass 6.5in SQ-6B Mids 4-Pioneer TS-T15 Tweeters 2-Crunch P1500.1 Mono Amps 2-runs 1/0 GA KnuKonceptz KnuKonceptz RCA's 1-Stinger SPV44 Battery Coming soon: 250 Amp Alt Custom Door Panels Second Skin Sound Deadner All in my 1986 Monte Carlo SS!!! Link to comment Share on other sites More sharing options...
Decaf Posted August 21, 2010 Report Share Posted August 21, 2010 u need to connect the rear batt+ to the alt+ in the engine bay connect the alt ground bolt to the chassis/frame/or directly to the rear battery put extra battery in trunk by connect the positives together and negatives together in line alt+ to batt+, batt+ to extra batt+, batt+ to amp+ same for ground Link to comment Share on other sites More sharing options...
davewms9605 Posted August 21, 2010 Author Report Share Posted August 21, 2010 Okey dokey!! Thanx Decaf!!! Current Setup: Sony CDX-7401UI 2- 12" Alpine TypeR DVC2ohm Subs Custom ported box 4-American Bass 6.5in SQ-6B Mids 4-Pioneer TS-T15 Tweeters 2-Crunch P1500.1 Mono Amps 2-runs 1/0 GA KnuKonceptz KnuKonceptz RCA's 1-Stinger SPV44 Battery Coming soon: 250 Amp Alt Custom Door Panels Second Skin Sound Deadner All in my 1986 Monte Carlo SS!!! Link to comment Share on other sites More sharing options...
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