Quote:
Originally Posted by denverd1
David, thanks for sharing your expertise. Got a PAC GLI ordered
HU ground? I haven't messed with the HU at all, except for plugging RCAs in. Should I run a separate ground to HU?
amp is grounded to the battery. batt is grounded to block.
will do some testing before I take it to a shop
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RCA shield grounds of amplifiers and processors are usually 'above ground' and reference back to the HU where they are chassis grounded...providing a single reference to true ground. So the ground of the HU is especially important. The HU ground should be grounded at the same place as the amplifier, or as close to the amplifier primary terminals as possible.
Really inspect all grounds. Every connection and termination. They may look good or even measure good under static conditions. But that doesn't mean you have a quality ground once current starts flowing.