C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

Electrical Problem

Old Apr 3, 2005 | 03:02 AM
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Default Electrical Problem

I am having an electrical system problem with my 89 auto. The symptoms are: Battery drained overnight after amp/speaker install, could not use power window with radio on at the same time. Dash blanks out with the radio on and sometimes with hard throttle. Right half of the dash gauges are half dim almost all the time, regardless of the radio, sometimes come on full bright. All Intermittently. Had the stereo install people triple check and test the wiring they did. They also did a test on my electical and said that it showed problems on the charging side. Battery is good. Had the firestone people check it when they did my tires. They said it was good. Any suggestions?
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Old Apr 3, 2005 | 03:47 AM
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sounds to me like some moron screwed up, and isn't willing to admit it.

You need a factory service manual, or, at the very least, an independant tech to check the electrical system.
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Old Apr 3, 2005 | 04:03 AM
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I think so too. Someone mentionioned that they thought the wiring to the alternator needed replacing, and that might be my problem. Could the alternator or faulty wiring to it be the cause?
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Old Apr 3, 2005 | 10:24 AM
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I'm thinking a very poor connection beteween battery terminals,alternator,power junction block or ground.
good luck
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Old Apr 3, 2005 | 11:51 AM
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You said:
having an electrical system problem...after amp/speaker install
bogus said:
sounds to me like some moron screwed up, and isn't willing to admit it


If you weren't having the problem before the amp/speaker install, take it back and have them fix their screwup. Or sue them.
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Old Apr 3, 2005 | 01:20 PM
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I was having some minor problems but I think that the current draw from the amps is making the problem more apparent. Seems like my alterator isn't doing much.
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