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post #1 of 4 Old 07-12-2007, 08:57 PM - Thread Starter
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I have just installed an Infinity 7541a Amp into a 1987 740 Volvo. I know it is getting power because a little red light went on when I connected the power. But the remote turn on line is not working correctly so the antenna is not going up when it is connected and because of that the amp will not turn on. What should I do?
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post #2 of 4 Old 07-12-2007, 09:18 PM
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what type of harness do you have? a long flat or a rounder one?
the amp should be connected to the remote turn on line--generally blue/white. the ant should be connected to the ant lead--generally blue. verify you have these correct first.
post back which type of harness and i can try to help some more...
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post #3 of 4 Old 07-13-2007, 09:00 AM
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I have an Infinity 7541a and when my amp turns on the light is blue. If I unhook the 12v trigger wire no light at all on the amp comes on. I'm also a little confused about the antenna having any affect on the amp. In my Nissan with the power antenna the antenna only goes up when the radio is on, if I'm using the CD (or tape back in the day) the antenna would retract.

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post #4 of 4 Old 07-18-2007, 07:29 PM
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Get a 12volt tester from an auto part store and use it to test continuity. Meaning, you attach the alligator clip of the tester to the ground of the car. Turn the key and verify if the ignition wire lights up the tester and goes off when turned off. If it does light, you may have a voltage different then 500millamps. Then, bypass the power antenna wire and run a new one from switched 12V to the amp. You may need a relay.

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