Temp sending unit
Race Director
Joined: Sep 2000
Posts: 17,298
Likes: 33
From: The Top of Utah
Neither. One is the CTS for the ECM and the other is the cold start fuel injector switch. In your right side cylinder head, between the #6 and # 8 spark plugs, you'll find the aux fan temp switch. In the some hole of the left side head, between the plugs for #1 and #3, you have the IP temperature gauge sending unit.
RACE ON!!!
RACE ON!!!
Race Director
Joined: Sep 2000
Posts: 17,298
Likes: 33
From: The Top of Utah
Neither. The upper one is the CTS for the ECM and the lower is the cold start fuel injector switch. In your right side cylinder head, between the #6 and # 8 spark plugs, you'll find the aux fan temp switch. In the same hole of the left side head, between the plugs for #1 and #3, you have the IP temperature gauge sending unit.
RACE ON!!!
RACE ON!!!
Le Mans Master
Joined: Feb 2000
Posts: 9,715
Likes: 27
From: Kempner Texas
Originally Posted by CFI-EFI
Neither. The upper one is the CTS for the ECM and the lower is the cold start fuel injector switch. In your right side cylinder head, between the #6 and # 8 spark plugs, you'll find the aux fan temp switch. In the same hole of the left side head, between the plugs for #1 and #3, you have the IP temperature gauge sending unit.
RACE ON!!!
RACE ON!!!
The passenger side head, between 6 & 8, has the dash temp sending unit and the aux fan switch is in the driver's side head between 1 & 3.
In fact, I removed the driver's side switch and plugged the hole because I installed an aftermarket aux fan (original fan threw a blade) and set the new fan up to operate from a toggle switch I mounted on the dash.
Jake
Race Director
Joined: Sep 2000
Posts: 17,298
Likes: 33
From: The Top of Utah
Originally Posted by JAKE
I have an early 86 which came with iron heads. My setup is just the opposite.
I hope my mistake didn't cause any inconvience. I appologize.
RACE ON!!!
