The special tool makes it easier if you are going to do alot of them. I have replaced these in my house and camper using a flat blade screwdriver. You have to do each wire individually, were as the tool will press them all in at once after you have them lined up.
Current Camper: 2006 Sunline T-264SR
Previous Camper: 1998 Coleman Mesa
Tow Vehicle: 2002 Chevrolet Avalanche 2500, 8.1L, 4X4
DirecLink Brake Controller, Draw-Tite Ultra Frame Receiver, Reese HP Trunnion Bar Hitch W/ HP DC