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This is a good one, as I'm slightly baffled. I installed my stereo system, and the basics look like this: 4 gauge wire from + batt to 100A fuse, about 10" away
then 4 gauge to dist block. In dist block, there are currently 2 of 4 spots used. One 10A fuse for the EQ circuit, and one 50A for the front channel amp. There is nothing in the other two spots. On the ground side one 4 AWG to dist block and the other end attaches to the ground on the B-pillar passenger side. The other end (8 AWG) of ground dist block goes to the front amp, one 16 AWG to the EQ and two 8 AWG to the ground on pass side back of package shelf behind the seats in a 2+0. Now, with the car off, key in ACC or ON, the stereo works great, but the car won't start. The first time I tried starting it with the 100A fuse up front pulled, it started right up. I haven't checked yet, but I'm pretty sure if I reinstall the 100A fuse (engine off batt disconnected obv.) and use the stereo, everything will be fine. Basic Visio diagram shown below (the 3300c and sub are not hooked up yet, rear channels running off of 2140c): 
Should I not use the common grounds used by OEM? I wouldn't think that's the issue, but I'm baffled. Do I need a smaller fuse up at the battery? I know the OEM alternator has a 90AMP output, and I'm using an underdrive pulley, but I didn't think that would affect starting. Brand new:
Battery (Die Hard gold)
Battery to starter cable (OEM) Rebuilt:
Starter Before installing the stereo, there was no system at all installed, and the car started fine everytime. Any help is appreciated, as I"m baffled.
"...Downpipes own. They own everything...anything...all there ever was and will be...they should be stock on all cars. Screw the environment, emissions, noise! I love them...I shall name my first-born after them with glee..." - SeedyRom 05:13:20 10/03/02 "i love the cock" - genic 22:20:47 09/25/03 "I hope you get fucked in the ass with a pringles can." - ni[X]it 14:53:53 02/02/06 "Either ignore him or beat him up. Anything else will be over his head." - Marshall 12:28:23 08/18/04 "Ok, Ill bite.." eriksu9 15:42:10 04/04/08 z32baby: yeah, my memory sucks balls
DJ Juiced: What's your memory doing this friday night? ;) "i've got to the point where i can drive the Z at its limits and i want more" - shadowZ 16:29:56 08/31/04 "I was way more timid then than I am now about getting in there and yanking on things." - TT XTZ 13:30:34 07/25/05 "Just ran out to get some knee pads. I'm ready now... BRING.....IT.....ON... :-) " - Dave N 19:04:30 10/31/07
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Car won't start after stereo install - 
