Service Manual
Page 23
... through the ignition switch. 23 For four-channel input, slide this wire to the right. GM-X554 RCA output jack RCA input jack B RCA input jack A Fuse (20 A) × 2 Speaker terminal Back side Connecting wires with RCA input jacks External Output If only one input plug is used... battery. Car stereo with RCA pin plugs (sold separately). Connection Diagram Fuse (30 A) Grommet Fuse (30 A) Special red battery wire [RD-223] (sold separately) After making all other connections at the amplifier, connect the battery wire terminal of the amplifier to metal body or chassis. RCA input ...
... through the ignition switch. 23 For four-channel input, slide this wire to the right. GM-X554 RCA output jack RCA input jack B RCA input jack A Fuse (20 A) × 2 Speaker terminal Back side Connecting wires with RCA input jacks External Output If only one input plug is used... battery. Car stereo with RCA pin plugs (sold separately). Connection Diagram Fuse (30 A) Grommet Fuse (30 A) Special red battery wire [RD-223] (sold separately) After making all other connections at the amplifier, connect the battery wire terminal of the amplifier to metal body or chassis. RCA input ...