Coolant Temp


Old 09-14-03, 05:57 PM
jeff moralez
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Coolant Temp

Found out I don't have a bad sensor I replaced it and the guage is also not bad so what else could it be.
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Old 09-14-03, 09:24 PM
mike from nj
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keep your posts together or it's going to get confusing.

you should have two sensors

a 1 wire sensor for the gauge

a 2 wire sensor for the computer

which did you replace
Old 09-15-03, 07:16 AM
jeff moralez
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The 2 wire sensor. I cant seem to locate the other sensor(1wire)

Old 09-15-03, 07:34 AM
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What type of car are we talking about????
Old 09-15-03, 11:07 AM
jeff moralez
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Working on a 1995 beauville 3/4 ton van . 350 Just cant get the temp gauge to work. Checked gauge with new and the sensor next to the thermostat housing. Both show good.

Thanks for the interest.
Old 09-15-03, 11:19 AM
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Make sure you are changing the right part! Typically there is a sender for the gauge and a coolant temperature sensor.

Have the dealer point out the right part for you on their parts microfilm.
Old 09-15-03, 08:34 PM
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The temp sender for the gage is located in the cylinder head most likely on the right side behind the exhaust manifold.
Following is the test procedure for checking the sender and gage:

Disconnect the engine coolant temp sender connector. Ground the dark green wire at engien coolant temp sender connector.

Temp gage indicates HOT
Repair or replace temp sender

Temp gage does not indicate hot
Locate and repair open in DK GRN wire if wire is good replace temp gage.
Hope this helps ya,

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