I have an 86 conquest and I was wondering if I can replace my stock knock box with another years knock box? Is there anything I'll have to do?

I need a knock box for a 86 or 87. Part number verification its MD109942

Hi, if anyone has this manual to send or to send copies, get in touch with me, Thanks

A quick one... So I could really use the mirrors that tilt down when you put the car in reverse. I see there's a universal module kit for $75, but since I'd really benefit from both sides, $150 is a bit much. I also could prob make one by splicing "one second relays" into the up and down wires, but why bother.   So can anyone think of any common cars with this feature that I can yank the modules from at a u pull? (My dad's 88 bmw 7 had this, but that's not exactly,at the upull)