GTH400-20107 06/03/98 15:49 Side 5
2. Installation and use
Refer to the “Crossover Frequency Adjustments” and
1.Disconnect the negative cable from the battery. Note: If the vehicle’s radio features a code type security system, make certain you know the code before disconnecting the battery!
2.Run a minimum AWG #8 power cable complete with a 60 amp fuse (not included) directly from the positive +12V battery terminal to the desired amplifier location. Keep the fuse within 6" of the battery terminal, and position it before the wire runs through any metal partition.
3.Note: All wiring connections should be made either by soldering with heatshrink tubing insulation or with high quality
security. Never use wire nuts,
4.Mount amplifier in the desired location using the included screws.
5.Connect power wiring as shown in the Wiring Diagram on page 18.
6.Connect the outputs from the head unit to the appropriate inputs of the amplifier according to the Wiring Diagram (page 18) with either (or both) high quality
7.Install the remote control in the desired location. Connect and run the cable from the remote to the amplifier.
8.Connect the speakers to the ampli- fier according to the Wiring Diagram on page 18.
9.Turn the gain controls to the
10.Set the bass boost of each group to the desired position.
11.Set the crossover switches for each group as desired.
12.Set the Group 2 Input and Group 3 Input as desired.
13.Set the mode switches to Stereo, Left + Right, or Left Input Only operation for each group.
14.
15.Turn on the signal source at a low volume level, and check for the correct output from each speaker.
16.Adjust the amplifier gain controls using the procedure described in the “Adjusting the Gain” section (page 25).
17.Read the rest of the manual to get maximum use and enjoyment from your amplifier.
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