NE1 have a part # for this relay,goes in the fusebox,napa or other parts store,chrysler part # would work

3 prong or four prong?

If four prong this should help
https://board.moparts.org/ubbthreads/show...e=0#Post5859384

it must be same than chargers being they share same fusebox and bulkhead... 4 prongs kind

http://cgi.ebay.com/ebaymotors/71-CUDA-C...=item2a0ba0a014

http://cgi.ebay.com/ebaymotors/Mopar-E-B...=item53e499d775

same relay but to A bodies where the ONLY DIFFERENCE is a bracket attached, is as far I remember HR92 on Standard or Echlin. So unbracket unit must be close to that

3 prongs is 74 and lates, and is just horn relay, no key buzzer

aftermarket replacement ( maybe Echlin or Standard, who knows )

http://cgi.ebay.com/ebaymotors/Mopar-71-...=item53e29537d2

there are more NOS originals on ebay, but reaching $50 price BIN ( one even at $70 )