cjvue Posted April 25, 2013 Author Report Share Posted April 25, 2013 might have to dig out o see which shop can test it correctly around here... not something i can do myself? My Build Log- T E A M S U N D O W N A U D I O - 2013 DbDrag WF SS1-2 - 5th Place 154.6db 2013 MECA Mod3 CA State Final Champ 153.4db Powered by: Sundown Audio Link to comment Share on other sites More sharing options...
SnowDrifter Posted April 25, 2013 Report Share Posted April 25, 2013 You can. You just need a load tester. The napa by my house has a bench tester - bring the alt in and they test it out of the car. Helps isolate if it's an alt issue or something else ~~~~~~~~SAY NO TO PHOTOBUCKET~~~~~~~~ Snow's DD-1 tracks here: https://www.stevemeadedesigns.com/board/topic/167433-snows-dd-1-tracks/ My take on OFC vs CCA: https://www.stevemeadedesigns.com/board/topic/110381-things-that-piss-you-off-in-the-car-audio-world/?do=findComment&comment=2461444 Link to comment Share on other sites More sharing options...
cjvue Posted April 25, 2013 Author Report Share Posted April 25, 2013 You can. You just need a load tester. The napa by my house has a bench tester - bring the alt in and they test it out of the car. Helps isolate if it's an alt issue or something else Hmmm.... getting the alt in/out of the car is a PITA. But if it comes down to it I can. Was reading that somewhere that local retail auto parts store can't really test out alt properly.... true/false? Speaking of which, Mr. Singer responded that it could be the belt that is slipping as well. I really need to check on it later. My Build Log- T E A M S U N D O W N A U D I O - 2013 DbDrag WF SS1-2 - 5th Place 154.6db 2013 MECA Mod3 CA State Final Champ 153.4db Powered by: Sundown Audio Link to comment Share on other sites More sharing options...
SnowDrifter Posted April 25, 2013 Report Share Posted April 25, 2013 It really depends on how they test it. They need to put a load on it for a couple seconds an measure what it puts out. Some places do that, other places plug some dinky little probe into the battery that really only reads the voltage but not the amperage ~~~~~~~~SAY NO TO PHOTOBUCKET~~~~~~~~ Snow's DD-1 tracks here: https://www.stevemeadedesigns.com/board/topic/167433-snows-dd-1-tracks/ My take on OFC vs CCA: https://www.stevemeadedesigns.com/board/topic/110381-things-that-piss-you-off-in-the-car-audio-world/?do=findComment&comment=2461444 Link to comment Share on other sites More sharing options...
cjvue Posted April 25, 2013 Author Report Share Posted April 25, 2013 Gotcha... So you say NAPA? My Build Log- T E A M S U N D O W N A U D I O - 2013 DbDrag WF SS1-2 - 5th Place 154.6db 2013 MECA Mod3 CA State Final Champ 153.4db Powered by: Sundown Audio Link to comment Share on other sites More sharing options...
SnowDrifter Posted April 25, 2013 Report Share Posted April 25, 2013 Yeah. Call ahead and find out. I'm not sure if they all do it ~~~~~~~~SAY NO TO PHOTOBUCKET~~~~~~~~ Snow's DD-1 tracks here: https://www.stevemeadedesigns.com/board/topic/167433-snows-dd-1-tracks/ My take on OFC vs CCA: https://www.stevemeadedesigns.com/board/topic/110381-things-that-piss-you-off-in-the-car-audio-world/?do=findComment&comment=2461444 Link to comment Share on other sites More sharing options...
cjvue Posted April 26, 2013 Author Report Share Posted April 26, 2013 Yeah. Call ahead and find out. I'm not sure if they all do it Cool... I'll call to find out. I check the resting voltage on these batteries and all seems to be holding it fine: 12.99v; 12.86v; 13.0v. There is no belt debris around alternator. Alternator belt seems slightly looser compare to my AC & Power steering belt. I'm going to let the batteries sit for another night and check again tomorrow after work. If they hold up, I'll get going with tighten the belt a little more before re-installing all the batteries. My Build Log- T E A M S U N D O W N A U D I O - 2013 DbDrag WF SS1-2 - 5th Place 154.6db 2013 MECA Mod3 CA State Final Champ 153.4db Powered by: Sundown Audio Link to comment Share on other sites More sharing options...
cjvue Posted May 2, 2013 Author Report Share Posted May 2, 2013 Last night I finally get a little time to work on this... So tighten the positive connection on the alt and also tighten the belt. Car starts up cold @ 14.4v and as soon as engine establish normal temperature, it dive down to 12.6v... wtf! Feet on gas pedal to rev it up to 2k rpm and I'll get up to above 14v. But as soon as I let go of the gas pedal, it's goes straight back to 12.6v. This is frustrating. Guess it's time to pull this thing out and take it to a shop for load test. Batteries are still resting at 12.8 - 12.9v (since I unplug them). Any thoughts? My Build Log- T E A M S U N D O W N A U D I O - 2013 DbDrag WF SS1-2 - 5th Place 154.6db 2013 MECA Mod3 CA State Final Champ 153.4db Powered by: Sundown Audio Link to comment Share on other sites More sharing options...
SnowDrifter Posted May 2, 2013 Report Share Posted May 2, 2013 My stock alt did something similar. At idle: it didn't even put out enough to keep up with the stock electronics ~~~~~~~~SAY NO TO PHOTOBUCKET~~~~~~~~ Snow's DD-1 tracks here: https://www.stevemeadedesigns.com/board/topic/167433-snows-dd-1-tracks/ My take on OFC vs CCA: https://www.stevemeadedesigns.com/board/topic/110381-things-that-piss-you-off-in-the-car-audio-world/?do=findComment&comment=2461444 Link to comment Share on other sites More sharing options...
cjvue Posted May 2, 2013 Author Report Share Posted May 2, 2013 My stock alt did something similar. At idle: it didn't even put out enough to keep up with the stock electronics well, with stock or not it will jump back above 14v if a electric load is detected. Now it voltage will actually drop if load is detected lol... Frustrating. My Build Log- T E A M S U N D O W N A U D I O - 2013 DbDrag WF SS1-2 - 5th Place 154.6db 2013 MECA Mod3 CA State Final Champ 153.4db Powered by: Sundown Audio Link to comment Share on other sites More sharing options...
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