Posted November 26, 201212 yr So in my next build I'm going to be running around 3500 watts probably a bc3500. For my current electrical setup i have a dc 270xp alt the big 3 and a d5100r in the front. Voltage @ idle is 15.2v. If i run 2 runs of ofc 0ga to a deka 9a31 in the back then one 2ft run of 0ga from the batt to amp is it going to be enough to to keep me above 13v for the most part or will i need a second 9a31 in the back. I plan on getting a second one later on anyway but would it be necessary? Thanks.
November 26, 201212 yr Author Voltage at idle is usually between 15-15.4 Its the alt. Edited November 26, 201212 yr by On3Hundr3dProof
November 26, 201212 yr Voltage at idle is usually between 15-15.3. Its the alt.Do you have a regulator? I'm not an expert at high power electrical systems but I am pretty sure that the XS power batteries (and other 12v batteries) don't like being charged that high. I could be wrong and hopefully someone with more experience can chime in.
November 26, 201212 yr Author Thats cold. Ive had the alt in about 2 weeks. Itll go to 15.0 if its warm and its sitting idle for a few min.It takes a while to get my truck warm up here though this time of year. I havent had any problems so far though.
November 26, 201212 yr Thats cold. Ive had the alt in about 2 weeks. Itll go to 15.0 if its warm and its sitting idle for a few min.It takes a while to get my truck warm up here though this time of year. I havent had any problems so far though.Thats cold. Ive had the alt in about 2 weeks. Itll go to 15.0 if its warm and its sitting idle for a few min.It takes a while to get my truck warm up here though this time of year. I havent had any problems so far though.After driving around for say 15min and then idling... where does the voltage go?
November 26, 201212 yr Those gauges must be adjusted. However newer gm and dodges idle that high. Higher voltage, more spark, less fuel needed, better fuel economy.
November 26, 201212 yr To answer your question, that should be fine for 3500 watts given you dont plan on demoing full tilt for long intervals at idle. A second down the road will not be a bad idea though.
Join the conversation
You can post now and register later. If you have an account, sign in now to post with your account.