Turn on wire won't turn on my amps

[ThatOneGuy36]

ok so I have a keenwood ddx372bt and a Rockford fosgate prime to go with to mtx's and a factory amp. I used to have an mtx's amp with the woofers and everything worked fine but when I replaced it with the prime, the only thing that worked was the head unit. I found out that the turn on wire is not able to turn on both the factory amp and the prime. Everything goes back to normal when I unplug the turn on wire from the prime. I tried just hooking up the prime to the ignition wire that goes to the head unit and all it did was pop the fuse. I don't know why it even would pop the fuse either and I ran out of ways to fix it. Please help me my car has been torn apart for days!!!

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[dev199505]

Bridge the power and remote see if the amp turns on then if not check all your grounds.

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[Rich B 5,000+ posts]

The RF's turn on circuit might draw more current than the MTX.

You may need to use a relay on the turn on wire.

Connecting Additional Devices to the Remote Turn On Wire Using a 30 amp SPDT relay, connect terminal #87 to constant 12 volts positive with a fuse rated to the sum of the additional accessories you've added and the components you need to turn on. (If you have two fans rated at 5 amps each and a neon light rated at 10 amps, you would use a 20 amp fuse plus 200 ma for each amplifier and processor.) Connect terminal #85 to ground, terminal #86 to the remote turn on wire from the head unit, and terminal #30 to each accessory with an appropriate fuse. A fuse (not shown) could also be used between the output of the relay (#30 ) and the remote turn on wire of the amplifiers and/or processors for extra precaution.

How to Wire Relays - Connecting Additional Devices to the Remote Turn On Wire

 

[Boomin_tahoe 5,000+ posts]

Why are you using the factory amp and aftermarket amps at the same time?