Being that you paid a decent chunk of change to have a professional do the install, you need to either stick with them or demand your money back and go to a more reputable shop. Just sayin... I'd be fuckin pissed.
That said, the load you should be looking for is 52-56 ohm on each channel. Actually, I think the Kicker KISLOC's dummy load value is right in that butter zone. But what you should really be using is the PAC AP4-CH41.