RCA troubles..

[ZmBzRALIVE]

Alright so, recently I got 2 MTX 12s that came with a diamond 600.1W Amp, I got everything ran and working and it worked great for like 45 minutes, then suddenly only 1 sub worked.

Both of the RCA's control the right sub and the left has no hit at all.

I hooked up the left by it's self in the amp and still nothing, however, if I touch the right side wires directly to the exposed 12G wire (connected to the left sub) the right side sub will work.

I completely took the left and right sub out of the box, (as it's a dual coil build mtx sub) I connected a short wire from one side negative to the other side positive on both, ran the others from negative to positive to the amp, also in negative and positive.

There is no setting for fade or balance changes to the subs on the amp nor the radio.

If anyone has any idea of what could be wrong that would be awesome.

I've hooked up quite a few systems before and never had this issue.

Thanks guys!

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[Boomin_tahoe 5,000+ posts]

Try a diff set of RCA's. Could be them or something going on with the amps pre outs.