Hey guys I'm running AEM water meth 30-3300 for the last number of years no problem. But now I'm gonna upgrade my pump to Prometh's PM190 pump. I got a great deal on it and I'm also gonna try out their nozzles at the same time. My problem is that the new pump pulls 16.5 amps and the wiring harness for the system uses a 18 awg wire. I tried taking the Pink + pump power wire and sending it to the MSD solid state relay to trigger that and use a bigger 12 awg wire back to the pump, it does turn on the relay but the controller throws a code 2 which is Open pump circuit which drives the pump.

If I take that same pink wire and go directly to the pump error goes away which is what I assumed but I'm not about to pull 16.5 amps through an 18 awg wire and risk a big fire. I've been reading that the controller PWM's the pump which would make sense since it's a progressive system and also my MSD ssr doesn't support PWM. So with all that being said if I used say a Nitrous solid state relay and connect the Pink + power wire to that everything should work as it normally should??

Also I used a multimeter on the pink wire and it's a very low current signal like in millivolts. I do realize that I'm at the point of just getting rid of this system and trying to figure out everything using my Dominator ECU but honestly that just looks overwhelming and it's very nice to have a little controller in the glove box that I turn a couple ***** for start and all in.

Anyways all opinions are welcome and this is the SSR I was referring to https://www.holley.com/products/nitr...parts/15620NOS

And this is the pump I'm using https://prometh.com/collections/wate...gh-volume-pump