Question about Competition INTERFIRE BIG BOY 2CH AMPLIFIER IFHB-23340C Car Audio Amplifier
Could be the speaker its hooked up to . try to disconnect the sub and see if the protect light goes out
Posted on Feb 06, 2010
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Posted on Jan 02, 2017
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You need to check the DC voltage across the B+ and ground terminals. You also need to check the DC voltage across the remote and ground terminals. If the voltage is less than 11 volts, you need to check the B+ supply and remote wiring for breaks or open fuses. You should also check the ground connection to confirm that it's not loose.
If the voltage is OK, the output transistors are likely shorted.
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