Intercooler Pump Not Working 13-14 GT500

[MrAjsTech]

I want to make this post to hopefully help others out with the same issue. I just bought my 14 GT500 Monday and on the way home the intercooler pump stopped working. I spent quite some time trying to diagnose the issue. I have this featured in my video below. I actually found someone with the same issue on a different forum.

I originally thought the intercooler pump failed but that turns out not to be the case. I ended up finding that the plug on the driver side under the intake that exits off the main harness loom melted. This plug contains 6 wires: 2 going to the intercooler pump (postive and negative) and 4 going to MAF. This section had to be completely repaired because it was melted so bad.

 

[Catmonkey]

This is documented in the 13-14 GT500 forum, so it's happened to others. Did you repair it or did the dealership? Did you/they go with heavier gauge wiring?

 

[BlowerMan]

Curious, saw the reservoir looked empty in your video of picking car up from dealer. Had the cooler water already boiled out from the previous owner?

 

[MrAjsTech]

Curious, saw the reservoir looked empty in your video of picking car up from dealer. Had the cooler water already boiled out from the previous owner?

I believe the pump was working at the time. Probably inconsistent. It was only slightly lower than the fill mark

 

[MrAjsTech]

This is documented in the 13-14 GT500 forum, so it's happened to others. Did you repair it or did the dealership? Did you/they go with heavier gauge wiring?

I just repaired the factory wiring to get it going and make sure there were no other issues.

 

[RedVenom48]

Interesting! Factory harness get pinched or the gauge wire too small for the current?

 

[biminiLX]

Interesting! Factory harness get pinched or the gauge wire too small for the current?

I’m guessing a combination. Interesting is that the factory wiring only has the pump running 50% power from the factory.
My car with the ice tank and second stock pump in rear wired 100% moves coolant big time.
-J

 

[Catmonkey]

Seems the guys that have posted this problem in past had a fault at the harness connector. Seems to be heat related, so I'm thinking it's wiring that is too small or a bad ground location that won't stand the test of time.

 

[Snoopy49]

It could also be a pushed pin in the connector or a poorly crimped pin.