MTX Thunder 421D Car Audio Amplifier "amp lights working" Questions

...lights up and the amp runs but the red light flashes on and off and there is no output to the subs. WHats up? My best guess is that it would be your ground wire or even the power into your amp. I ...

...amp also had a funny smell to it like it was burning. If the lights are supposed to be red, can anybody to me what my problem may be so I wont have to go through all the trouble of shipping and ...

...amp is not working and this is the only light on. I just swapped it out with a jl audio slash amp that worked fine and now new amp is not working. it means protection circuit on the amp is on. check ...

...amp isnt working i have a pioneer gm-d8400m when the amp is working properly there is a blue light on the front of the amp that is steady on but now when i hook the amp up the light flashes and the ...

...working fine. What do I need to do in order to make the PT- red light turn off, and get the amp to work again? mine done that the other day and i took the fuse out of the side of the amp for about a ...

...working amp in my truck and good amp works The red light you describe on your amp, is the protection mode warning light. An amp goes into protect for many reasons. Here's a checklist. 1st check the ...

...amp light lights for 2sec Radio turns on and map goes on for 2 seconds voltage goes from 12 to 7 volt on the +12 side. Volt for the radio is 12 volt and drops to 7 on the rem side. voltage to amp ok. ...

working. Any sugestions? I was bumping the system and it just cut off, the rest of the car speakers work fine, its just the amp. Maybe blown subs? might have roasted your speakers voice coils a little

...the power and the remote and see if it lights up. if it does then turn the amp down and with a small speaker plug it in to the speaker outs on the amp and see if it plays if not then your amp is

working amp,using the same bolt into the cars metal.same remote turn on cable too. im stumped! it's happened before, but with no assistance, started working again! this suggest a loose wire internally