HELP GAUGE REMOVAL /CUSTOM TACH

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Although it is not clear from the photo i think most if not all of the pins ( male connector on pcb ) are still there, if any are missing it would be a simple task to replace the missing/damaged beyond repair pins with cut to size resistor leads that fit well into the female ribbon connector and bend all pins straight again, they are just tinned copper, just have a good look at broken soldering joints at the connector on the pcb.

It may be better to repair the existing connector because of the risk of damaging the tracks with heat during replacement, there is likely enough friction to keep the connector in place despite the plastic not being able to capture the cable connector in place.