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<blockquote data-quote="CanIBDom" data-source="post: 1237572" data-attributes="member: 564251">Hi all. After a couple weeks of observing I&#039;m ready to participate inthese forums.I recently installed a Profile AP1040 in my 2000 Ford Taurus with the recommended 4 ga. power and ground wire. Now the headlights dim when I use the power windows and the amp ocassionally &#039;fizzles&#039; (for lack of a better term) and fades back in when I hit the brakes. I have a few questions that Icouldn&#039;t find good answers to when searching...1) Would the Big 3 upgrade be worthwhile or should I go straight to ahigher-output alternator?2) How can I tell what my existing alternator puts out? What amperagewould I upgrade to?3) If I go with the Big 3 I know I should use 1/0 wire. Should I alsochange my existing 4 ga. power and ground wire to 1/0? How would Iconnect the 1/0 to the 4 ga. terminals on the amp? Upgrading to 1/0wire would mean that the existing fuse between battery and amp wouldchange to a 350 amp fuse, correct?Thanks in advance!!</blockquote>

[QUOTE="CanIBDom, post: 1237572, member: 564251"] Hi all. After a couple weeks of observing I'm ready to participate in these forums. I recently installed a Profile AP1040 in my 2000 Ford Taurus with the recommended 4 ga. power and ground wire. Now the headlights dim when I use the power windows and the amp ocassionally 'fizzles' (for lack of a better term) and fades back in when I hit the brakes. I have a few questions that I couldn't find good answers to when searching... 1) Would the Big 3 upgrade be worthwhile or should I go straight to a higher-output alternator? 2) How can I tell what my existing alternator puts out? What amperage would I upgrade to? 3) If I go with the Big 3 I know I should use 1/0 wire. Should I also change my existing 4 ga. power and ground wire to 1/0? How would I connect the 1/0 to the 4 ga. terminals on the amp? Upgrading to 1/0 wire would mean that the existing fuse between battery and amp would change to a 350 amp fuse, correct? Thanks in advance!! [/QUOTE]

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