Rockford Fosgate 1000 User Manual download pdf (Page 37)

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Installation Troubleshooting

Procedure 4: Check Amplifier if you experience excess Engine

Noise.

1. Route all signal carrying wires (RCA, Speaker cables) away from power

and ground wires.

2. Bypass any and all electrical components between the stereo and the

amplifier(s). Connect stereo directly to input of amplifier. If noise goes

away the unit being bypassed is the cause of the noise.

3. Remove existing ground wires for all electrical components. Reground

wires to different locations. Verify that grounding location is clean,

shiny metal free of paint, rust etc.

4. Add secondary ground cable from negative battery terminal to the

chassis metal or engine block of vehicle.

5. Have alternator and battery load tested by your mechanic. Verify good

working order of vehicle electrical system including distributor, spark

plugs, spark plug wires, voltage regulator etc.

TROUBLE

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Rockford Fosgate 1000 User Manual Page 37