justdoinme23

well...on my 3rd alternator..in 3 months...was headin to the gym...my voltimeter would go back and forth, rpms, would go up and down...so i got her (2000 Si LS/V-tec) back to my house, check fuse..running 100 amp under hood...it was ok, now instanly im thinkin alternator...has that tested this mornig, that was ok, now my boy is a mechanic, took in my battery, it was low on acid, and was at about 75 percent life, i guess theres plates, and when it heats up the melt together....wires and connetions are all ok, no corrosions..i do have a sub and amp, a few gauges, nothing more then i had in my other civics, any anwser to wat it could possibly be otherwise..im gettin a new batt tom morning intersate mudd 2 something like that he rec. it...and other civic owners run thro alternator's? it tested fine,...

Former User

Is 7.5A dash fuse 15 blown? Any CEL codes?

justdoinme23

well after pulling everything, and NOT checking a fuse that i forgot about, and thx to RonJ@HT for pointin that out to me, haha the alternator fuse was indeed blown under dash, which slipped by my mind, still gonna thrown in an interstae mage-tron bat, since last 2 alt's died on same battery and i ran in down so low..thanks again man

justdoinme23

help....ahh.well yea, the culprit is the alternator fuse under the hood, new battery and (5) 7.5 amp fuses later, its still blowing them....is it a ground issues? any input would be very helpful, made me late to work today, becuase i though all was good,...not the case..alt's good, battery is brand new belt is tight....Wat could be the cause

Former User

Click Fuse 15 TSB in my signature.

justdoinme23

yea i was readin, seems as tho many other civic owers run into this problem,, thx for the post will update after get off work and take a look

justdoinme23

update..well i found a short on the ground wire i think, its the wire that connects to the stationary bolt on the alternator, cut out the melted part, spliced together, thought all problems were solved, yet still blowing fuses, any more suggestions???

Del Namco Solo

how is your amp grounded in your car? I was dumb when I did mine (i have a del slow) and wired my amp to the rear right speaker mount (sanded it down perfect) but as it ends up that's not a DIRECT connection to your vehicles ground, it has to move through welds, so it made me ruin my battery for some reason. Re-did the connection to the floor pan seat bolt and now everything is working (and new battery isn't dying and alternator isn't overworking).

just a thought!

justdoinme23

things is..i put my sub/amp in first week i bought the car, 1.5 years later this is happeneing...and i have my amp grounded to deck lid, its own little nut.bolt.washer and sanded to bare metal..so...idk, ive surrendered, i need my car and dont have time each day to mess around, its goin into the shop tom. morn...thx to all, wish i coulda saved a few bucks tho..damn