davewms9605 Posted August 21, 2010 Report 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!!!
Decaf Posted August 21, 2010 Report 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
davewms9605 Posted August 21, 2010 Author Report 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!!!
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