PWM cooling fan(s) control using ECM - Page 24 - Lateral-g Forums

Old66Tiger · #**231** 05-06-2015, 10:32 AM

Anyone have an E38 pinout to know where the pressure switch gets wired in? What kind does it take?

**parsonsj** · #**232** 05-06-2015, 01:10 PM

I'll dig it out of my 2007 Z06 book. Can't do it right now, will try for tonight.

**parsonsj** · #**233** 05-07-2015, 09:40 AM

According to my 2007 Y-Car (Corvette) Helms Manual, Vol. 2:

A/C Refrigerant Pressure Sensor Signal is C1-12
A/C Refrigerant Pressure 5V Reference is C1-34
A/C Refrigerant Pressure Low Reference is C1-13

Hope that's what you're looking for!

jp

Old66Tiger · #**234** 05-14-2015, 12:13 PM

Thanks...I need to dig into this further to see how far I want to take it.

**andrewb70** · #**235** 05-19-2015, 04:41 PM

Quote:

Originally Posted by samckitt

Fits like it was made to go there. LOL

Scot,

What do you what the connector is on the input side of the C6 fan harness? Is it a MetriPac 800?

Andrew

samckitt · #**236** 05-19-2015, 09:20 PM

I found a connector in the junk yard in a car that had next to nothing left of it. I glanced in the engine bay and found it there on the fan. It has 2 large terminals for power and one smaller for the signal wire. So I grabbed it. No idea what the car was.

**andrewb70** · #**237** 05-19-2015, 10:26 PM

Quote:

Originally Posted by samckitt

I found a connector in the junk yard in a car that had next to nothing left of it. I glanced in the engine bay and found it there on the fan. It has 2 large terminals for power and one smaller for the signal wire. So I grabbed it. No idea what the car was.

That looks different than the connector that came on the C6 fan, so I guess you just spliced it in?

Andrew

samckitt · #**238** 05-20-2015, 09:10 AM

You are right Andrew, I heard of issues with the stock Corvette connector overheating & melting. So when I saw this one that has bigger terminals, I grabbed it to use. I took the connector apart, & opened the crimp on the terminals, removed wire attached wire from fan harness, crimped & soldered.

**GregWeld** · #**239** 05-20-2015, 09:15 AM

Weather Pack connectors are good to 20 amps -- after that you switch to METRI-PAK 480 series connectors which will handle 42 amps. There are other "series" which will handle higher loads but 42 amps per fan is plenty of surplus as they'll pull about 30 amps or less.

**andrewb70** · #**240** 05-27-2015, 10:22 PM

Quote:

Originally Posted by GregWeld

Weather Pack connectors are good to 20 amps -- after that you switch to METRI-PAK 480 series connectors which will handle 42 amps. There are other "series" which will handle higher loads but 42 amps per fan is plenty of surplus as they'll pull about 30 amps or less.

Greg,

Excellent segway...I just picked up some 3 cavity Delphi GT480 connectors. They are rated at 42 amps, as you said.

I will run my power (+/-) and the PWM wires to the fan controller through this connector.

Andrew