Quick question on coolant temp sensors

Wayne Johnson waynejohnson007 at hotmail.com
Mon Apr 3 16:48:30 GMT 2000



>From: "Marteney, Steven J." <smarteney at xlvision.com>
>Reply-To: gmecm at diy-efi.org
>To: gmecm at 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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