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#1
07-31-2007, 09:18 AM
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Factory JBL Amp
Rob, I have 2 head units and 2 JBL amps for my car. I tried switching them around and found a working combo. But the fuse on the amp blew out after ten minutes and a second one blew right away. Have you figured out what causes the amp to blow fuses? Could it be the noise filter on the outside of the unit?
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'90 Bill Blass, stroked 5.0, now 5.6. Accel 300+ ignition and distibutor, GT 40 intake, mac headers, flowmaster 50 series, AOD w/ 2800 stall, 3.73's, All suspension upgraded to LSC, along with Energy Suspension poly bushings front and rear. 
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#2
07-31-2007, 04:36 PM
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Use a voltmeter set on audible continuity and probe between the main power and ground to the amp, if there is continuity you have a bad power supply. Measure for continuity from any of the speaker leads to ground as well. A grounded out speaker can cause wierd things to happen with amps.
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#3
07-31-2007, 08:17 PM
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When you refer to the power supply, do you mean the black plastic box mounted on the outside of the amp?
__________________
'90 Bill Blass, stroked 5.0, now 5.6. Accel 300+ ignition and distibutor, GT 40 intake, mac headers, flowmaster 50 series, AOD w/ 2800 stall, 3.73's, All suspension upgraded to LSC, along with Energy Suspension poly bushings front and rear.
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