Alpine MRV-T757 amp stuck in protection mode

I can't tell anything from the photos but insulation shouldn't be split.

Is any part of the wire making contact with anything that it shouldn't contact?

Do you still read low resistance from the center solder pad of either rectifier to the outer solder pads?

If so, is the low resistance reading constant?
 
The wire isn't touching anything.

All are reading 11-13 Mohm but the small one is reading 62 kohms from center to left and 63 kohms from center to right.

The previous owner said when he went to bridge the power rail and the remote rail the wire touched ground while being hooked up and raw input wires touched ground.
 

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It's odd that the low reading is gone but you don't read it across the rectifiers.

You asked about a 'strand'(?) of wire? If a strand of wire could have been on the board, it could have been the problem.

I'd suggest soldering the rectifiers back in and see if the low reading returns. Screw the rectifier down to get it positioned correctly but if the low reading comes back, lift it from the clamp (still soldered in) to see if it's possibly shorting to the riser plate.
 
I re soldered everything and reflowed all the fees and rectifiers and tried the amp again and the protect light is now orange instead of flashing red. I think the orange light is only present because I only hooked it up to power with no input or output