jdmferio13 Posted October 16, 2009 Report Share Posted October 16, 2009 So I finally got my alt installed in my 98 honda civic.I started the car up and car isnt charging at 14.3 its 12.1.So i checked each batt in rear and under hood and same.I checked all fuses and blew my batt 80 amp fuse.The next day i replaced it and still the same thing what else could it be. Quote Link to comment Share on other sites More sharing options...
Scapelli21 Posted October 16, 2009 Report Share Posted October 16, 2009 Could possibly have a bad harness like I had...did it ever charge? Your running off the batt if it stays at 12 so I wouldn't run it that long. Quote 2003 Chevy Trailblazer LTZ Pioneer 980BT 16 SA-10's - 4th Order Bandpass NS-1 - 3 D3100's DC & XS Power, Audio Technix, Sound Deadener Showdown Team Sundown Audio Link to comment Share on other sites More sharing options...
Iraggi Alternator Posted October 16, 2009 Report Share Posted October 16, 2009 U need to do big 3 if you blew your factory fuse Quote Link to comment Share on other sites More sharing options...
jdmferio13 Posted October 16, 2009 Author Report Share Posted October 16, 2009 (edited) I just did some research and found out that My original power wire from my alt to batt is fused at 80 amps.I then read that If i leave that and just upgrade my wire and have it directly to the batt it will help cause its fused in the fuse box instead i will just do a 1/0 guage run.But why is it that when i check the terminal on the alt and ground some where with the dmm it only reads 12.1 Edited October 16, 2009 by jdmferio13 Quote Link to comment Share on other sites More sharing options...
Brandon15zzz Posted October 16, 2009 Report Share Posted October 16, 2009 big 3 upgrade check all your wiring to make sure its not shorting out Quote Vehicle: 1995 Impala SSHead Unit: Pioneer AVH-P4400BHMids And Highs: (still deciding)Batteries: 1 Deka Group 34 Time to make a race car.My Build Log: Solo X 12"http://www.stevemead...don15zzz-build/My Build Log: DC lvl 4 xl 15"http://www.stevemead...don15zzz-build-My Wall Build Log: 4 Lanzar 15's/ 3k+ RMShttp://www.stevemead...t-by-techforce/My Feedback:http://www.stevemead...1 Link to comment Share on other sites More sharing options...
jdmferio13 Posted October 17, 2009 Author Report Share Posted October 17, 2009 Should I have a 1/0 run straight to the batt instead of fuse bos like the original.I have know other ideas Quote Link to comment Share on other sites More sharing options...
Skullz Posted October 17, 2009 Report Share Posted October 17, 2009 Yes Alt to battery+ Battery to engine Chassis to engine I do one more and thats a battery to chassis. Quote 01 Ford focus ZX3 Pioneer AVH-X491BHS PPI PC 4800.2 Morel Maximo 6.5" x2 Link to comment Share on other sites More sharing options...
jdmferio13 Posted October 18, 2009 Author Report Share Posted October 18, 2009 anyone else have a problem with upgrading a ho alt in a civic. Quote Link to comment Share on other sites More sharing options...
jdmferio13 Posted October 18, 2009 Author Report Share Posted October 18, 2009 Well I found out the fuse blew cause i shorted it out fogot to unhook back battery.So back to where I started.The alt is in and seems to be running fine.I had it checked on a macine he said it was fine.So then I installed it hooked up power wire and clipped in side plug, turned it on and its not charging.I dont know Quote Link to comment Share on other sites More sharing options...
mrwigglezdj Posted October 18, 2009 Report Share Posted October 18, 2009 bad ground possibly? Quote Americas loudest work van2006 iasca heavyweight bassboxing champion at 150.4 db with 60second average TL8 memphis PR15s,12 memphis PR6.5's coax,4 memphis PR 1inch tweets Link to comment Share on other sites More sharing options...
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