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<blockquote data-quote="Skater041930" data-source="post: 8528138" data-attributes="member: 653670"><p>Hey all.&nbsp; Sorry I cant give much back for all the help I get here.&nbsp; Recently installed 2 fi x 15s with sundown scv 2000d in a 2001 tahoe.&nbsp; Pioneer 7700bt box is 33 hz 9 cubes cscstang designed.&nbsp; Short and sweet the system slammed hard but voltage went down to 12s.&nbsp; So I installed a second battery in the trunk.&nbsp; Optima yellow front and back bought new.&nbsp; After the second battery was installed I instantly thought it wasnt as much output as one battery was.&nbsp; Strangly later after 5 min the amp got warm and went into protect.&nbsp; Restarted headunit and went to normal.&nbsp; Eq is flat bass at 0 low off sla 0 so so &#039;extra help&#039;.&nbsp; All sundown amps I owned never even got a tad warm so very weird.&nbsp; Subs were not hot or smelly.&nbsp; I ask could the amp be malfunctioning as i bought brand new 2 weeks ago or somehow the batterys are not working together.&nbsp; Voltage didnt even drop anything after second battery connected.&nbsp; Positive wire from front + then to second batt+, + from second batt to amp.&nbsp; Second batt - to good ground amp - to second batt -. Sorry for a long post but figured more information is better then less.&nbsp; Of course 3 fuses are in the line where needed.&nbsp; Thanks</p></blockquote><p></p>

[QUOTE="Skater041930, post: 8528138, member: 653670"] Hey all. Sorry I cant give much back for all the help I get here. Recently installed 2 fi x 15s with sundown scv 2000d in a 2001 tahoe. Pioneer 7700bt box is 33 hz 9 cubes cscstang designed. Short and sweet the system slammed hard but voltage went down to 12s. So I installed a second battery in the trunk. Optima yellow front and back bought new. After the second battery was installed I instantly thought it wasnt as much output as one battery was. Strangly later after 5 min the amp got warm and went into protect. Restarted headunit and went to normal. Eq is flat bass at 0 low off sla 0 so so 'extra help'. All sundown amps I owned never even got a tad warm so very weird. Subs were not hot or smelly. I ask could the amp be malfunctioning as i bought brand new 2 weeks ago or somehow the batterys are not working together. Voltage didnt even drop anything after second battery connected. Positive wire from front + then to second batt+, + from second batt to amp. Second batt - to good ground amp - to second batt -. Sorry for a long post but figured more information is better then less. Of course 3 fuses are in the line where needed. Thanks [/QUOTE]

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