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<blockquote data-quote="Blackout67" data-source="post: 8893137" data-attributes="member: 683415">The voltage reading discrepancy is normal. First off from what I see online, your battery gauge on your dash is analog so no matter how you read it it&#039;s going to be slightly off. 2nd is the wiring path to get to your gauge cluster will cause voltage to drop off due to the resistance from the long path and skinny wires. Testing it at your amp there is little to no resistance so your reading will be more accurate. For instance my bass knob has a built in voltage indicator and it usually reads .3 or .4 volts off what I read at the terminals with a multimeter. Grounding location isn&#039;t as important as how clean the connection is. Obviously there will be spots that will give you no complete circuit because there is no path to the battery ground terminal. Your amp is working so you have a circuit, but it could be that the connection isn&#039;t great. I can&#039;t see how well you&#039;ve cleaned up the surface of your ground location cause you have the block on there, but when you should have bare shiny metal for the best connection and make sure the entire block is making connection. If there is an air gap between the block and the ground surface it won&#039;t make good connection and will corrode because heat will build up between the block and ground surface.At any rate those I don&#039;t think it has anything to do with your system. My jeep is 30 years old and I run a 2k watt amp that clips commonly cause of my wimpy alternator and I&#039;ve never busted my VRM.ake sure your car doesn&#039;t have a recall for the VRM or maybe go on Camaro forums and see if it is a common issue with that generation</blockquote>

[QUOTE="Blackout67, post: 8893137, member: 683415"] The voltage reading discrepancy is normal. First off from what I see online, your battery gauge on your dash is analog so no matter how you read it it's going to be slightly off. 2nd is the wiring path to get to your gauge cluster will cause voltage to drop off due to the resistance from the long path and skinny wires. Testing it at your amp there is little to no resistance so your reading will be more accurate. For instance my bass knob has a built in voltage indicator and it usually reads .3 or .4 volts off what I read at the terminals with a multimeter. Grounding location isn't as important as how clean the connection is. Obviously there will be spots that will give you no complete circuit because there is no path to the battery ground terminal. Your amp is working so you have a circuit, but it could be that the connection isn't great. I can't see how well you've cleaned up the surface of your ground location cause you have the block on there, but when you should have bare shiny metal for the best connection and make sure the entire block is making connection. If there is an air gap between the block and the ground surface it won't make good connection and will corrode because heat will build up between the block and ground surface. At any rate those I don't think it has anything to do with your system. My jeep is 30 years old and I run a 2k watt amp that clips commonly cause of my wimpy alternator and I've never busted my VRM.ake sure your car doesn't have a recall for the VRM or maybe go on Camaro forums and see if it is a common issue with that generation [/QUOTE]

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