Re: Quick question on coolant temp sensors

["Wayne Johnson" <waynejohnson007@hotmail.com>]

> From: "Marteney, Steven J." <smarteney@xlvision.com>
> Reply-To: gmecm@diy-efi.org
> To: gmecm@diy-efi.org
> Subject: Quick question on coolant temp sensors
> Date: Mon, 3 Apr 2000 10:22:37 -0400
>
> There appears to be 3 coolant temp sensors on my 89 F-body L98 motor.  Is
> their functionality something like this:
> 1) CTS in intake manifold base - used by ECM as input parameter?

yep

> 2) CTS in driver's head - possibly temp guage sender?

yep

> 3) CTS in passenger's head - possibly temp switch/light sender?

aux. fan



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