kingsuv Posted November 17, 2009 Report Share Posted November 17, 2009 Try charging the battery then check how fast it draws with the key in ACC and again with key on but engine not running and see how fast it drops. You might have something on the motor side grounding out when you run it. Quote Designing, building, and shipping boxes. Yahoo IM - kingsuv00If the listening level is too loud, please inform the driver, so he can promptly pull over, and let you out. not many cars can get me to pluggin my ears but this one.......damn. I mean the first minute is ok but that thing just really starts digging deeper and deeper in your earhole till you cant stand it no more. Seems like it does it with relative ease....16 12's on 8 amps.........gotta love it. Link to comment Share on other sites More sharing options...
Stephen Posted November 17, 2009 Report Share Posted November 17, 2009 Did you also swap gauge clusters? did you leave the harness from the 95 running through the dash? The gauge cluster actually completes the circuit for the battery light on the dash. if the wiring is not right or the pinout on the cluster is not the same the alternator wont charge. My 95 c1500 had a loose connection at the plug the cluster sits into and would not charge all the time. Quote you can cook bacon shirtless if you're not a pussy...lol not hatin, but am i wrong here it looks as if the amp is not grounded its hooked directly to the battery. it that the way it should be. DC POWER Link to comment Share on other sites More sharing options...
ls1king000 Posted November 17, 2009 Author Report Share Posted November 17, 2009 Did you also swap gauge clusters? did you leave the harness from the 95 running through the dash? The gauge cluster actually completes the circuit for the battery light on the dash. if the wiring is not right or the pinout on the cluster is not the same the alternator wont charge. My 95 c1500 had a loose connection at the plug the cluster sits into and would not charge all the time. No cluster in the truck at this moment though I drove it like this for over a week with no problems. I'll put it in and see what happens and thanks for everyone's help. I'll post what I find Quote 1996 Tahoe 2dr Alpine IVA-D901 - Alpine PXA-H701 - Alpine RUX-C701 200 amp alternator - Yellow Top - Alumapro 15 farad cap T1000-4 (2)MB Q-forms 6.5 FOR SALE AA 18" Mayhem / T2500-1bd FOR SALE 2000 Camaro SS - UNDER THE KNIFE Twin Turbo - 6 speed - 9 sec with a/c http://www.fquick.com/LS1king000 Link to comment Share on other sites More sharing options...
Boon Posted November 17, 2009 Report Share Posted November 17, 2009 Sounds like you have a big-ass short somewhere. I was originally going to suggest it might have been your ECU trying to re-calibrate but that doesn't cause 10v drops... Quote 10.x volts fo' life! Link to comment Share on other sites More sharing options...
Stephen Posted November 17, 2009 Report Share Posted November 17, 2009 No cluster in the truck at this moment though I drove it like this for over a week with no problems. I'll put it in and see what happens and thanks for everyone's help. I'll post what I find i dont know if the wiring changed from 95 to 96 but my alt WILL NOT charge without a cluster in, i bet thats what it is. Quote you can cook bacon shirtless if you're not a pussy...lol not hatin, but am i wrong here it looks as if the amp is not grounded its hooked directly to the battery. it that the way it should be. DC POWER Link to comment Share on other sites More sharing options...
ls1king000 Posted November 18, 2009 Author Report Share Posted November 18, 2009 i dont know if the wiring changed from 95 to 96 but my alt WILL NOT charge without a cluster in, i bet thats what it is. Put the cluster in.....everything is working!!! Results as follows: - At idle on the battery 13.65 V - At 2000rpm on battery 14.25 V - At idle under heavy load on the battery 12.5 V (Jumps around from 12.4 to 12.6) - At 2000rpm under heavy load on the battery 13.6 V Also I found the voltage to be the exact same reading on the alternator as the battery. Thanks for the help Quote 1996 Tahoe 2dr Alpine IVA-D901 - Alpine PXA-H701 - Alpine RUX-C701 200 amp alternator - Yellow Top - Alumapro 15 farad cap T1000-4 (2)MB Q-forms 6.5 FOR SALE AA 18" Mayhem / T2500-1bd FOR SALE 2000 Camaro SS - UNDER THE KNIFE Twin Turbo - 6 speed - 9 sec with a/c http://www.fquick.com/LS1king000 Link to comment Share on other sites More sharing options...
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