Help..old school Punch 150

[xploder 10+ year member]

I just got my hand on an old school Rockford Fosgate "The Punch 150". Its was one of the better amps way back about 12-15 years ago. I hope you guys know which one I am talking about. Well any way I need to know which wires to hook up to bridge the 2 channels. There is no instructions and I am guessing the channel Left (+) and the Right (-) as with most other amps. I am looking at the amps previous connections and it looks like the previous owner had it also bridged (only 2 of the speaker outputs looks used) ,but, he used the Left + and the Right + for the connections for bridging. That looks wrong to me. I already looked at the Rockford website and they have no info for amps that old. Any help would be appreciated.

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[mattj 5,000+ posts]

use the + from one channel and the - from the other channel. Usually you can look on it and it it will say something like this (one connection from each channel.

+ - |||||| + -

|--- mono----|