North American Turbocoupe Organization



Coolant Temp Sensor
vegas_ss Offline
Senior Member
#1
Ordered a motorcraft dy-1145 as specified in the rockauto catalog for a 87 TC. Seems that the sensor is now a kit with a redesigned connector and comes with a pigtail to splice on for the new connector.

Any reason for the change in design? Anyone used the new design or is this the wrong part?
1987 TC, 5sp, Boport Stage 3 Head/2.1 Cam
1996 Impala SS, DCM, Borla Cat Back, too much other stuff!!! (SOLD)
2009 Pontiac G8 GXP 6M, 6.2l LS3, Kooks Long Tube, Hi Flo Cats, Mild Cam
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Pete D Offline
Administrator
#2
O got this number for the ECT: ENGINE COOLANT TEMP SENSOR (ECT) F2AZ-12A648-A This is the sensor for the EEC info, NOT the temp gauge.
http://natomessageboard.com/cgi-bin/ulti...2;t=000119

I got this number for the temp sender for the gauge:
WATER TEMP SENDING UNIT DOZZ-10884-A
Same post, Jan 2006.

Which sensor you referring to?
Pete Dunham


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vegas_ss Offline
Senior Member
#3
This was for the ECT... Motorcraft dy-1145 9u2z-12a648-a. I assume 9u2z is an upgrade to f2az?

The instructions don't specify any wiring information. Both wires on the pigtail are white with no reference as to what wire goes to what color on the original harness. One is green and the other is black so I would think it would matter. I guess I will try and test the sensor and see if one lead is for ground and map the wires back to the new sensor. There is instructions but that pertains to splicing... there is a note that state to refer to the applicable model year wiring diagram for circuit information. Problem is there is nothing on the new sensor indicating what each wire is. There is a #1 on the connector by one wire and a #2 on the other... outside of that, no other info.
1987 TC, 5sp, Boport Stage 3 Head/2.1 Cam
1996 Impala SS, DCM, Borla Cat Back, too much other stuff!!! (SOLD)
2009 Pontiac G8 GXP 6M, 6.2l LS3, Kooks Long Tube, Hi Flo Cats, Mild Cam
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Pete D Offline
Administrator
#4
I don't know anything about the revised PM or the wiring.

Here is an interchange sheet for Walker products.
http://www.walkerproducts.com/_pdf/2c-ec...change.pdf

Here is the part at AutoPartsDirectToYou.com
See the last three items on the page.
http://stores.channeladvisor.com/Auto-Pa...on_Sensor/

Try Goggling the PN
Pete Dunham


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vegas_ss Offline
Senior Member
#5
A search on rockauto for F2AZ-12A648-A brings up the dy-1145 part with references to the f2az part number.

I can only guess that the difference is the actual connector as it is updated from a round pin style to a flat blade style. Maybe there have been issues with the connector using the round pins???

Since I would only be guessing on which wire goes where... I will return the part.

I really don't see what would have been so difficult to include some wiring information along with the six languages they printed instruction for on crimping wires and using heat shrink tubing.
1987 TC, 5sp, Boport Stage 3 Head/2.1 Cam
1996 Impala SS, DCM, Borla Cat Back, too much other stuff!!! (SOLD)
2009 Pontiac G8 GXP 6M, 6.2l LS3, Kooks Long Tube, Hi Flo Cats, Mild Cam
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Cracker137 Offline
Member
#6
Quote:Originally posted by vegas_ss:

I really don't see what would have been so difficult to include some wiring information along with the six languages they printed instruction for on crimping wires and using heat shrink tubing.
Because such information would of actually been useful....
1987 Thunderbird TC
-T3 Turbo
-K&N
-3G 130 Amp
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oneowner88lx Offline
Member
#7
The temp sensor is just a variable resistor so it doesn't matter which wire goes where. But I wouldn't mess with it since a direct fit sensor is readily available.
Bill

'88 Turbo Coupe
'88 Mustang LX 5.0L 5 spd Conv (one owner survivor)
'88 Mustang Hatchback 2.3 turbo 5 spd
'86 SVO ultra low mile survivor
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