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temperature gauge not working

90K5

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Just looked at the temp gauge today after driving for a while and it was way below 100...and the engien is fine. What could be wrong with it?

90K5
 
Probably a screwed up sender - cost around 8 bucks for a new one.

Of the 5 toughest dogs in the neighborhood, my cat's ranked #3
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Not to insult your intelligence or anything....but make sure the wire didnt just slip off the sensor, and that it is good from the sensor up to the guage. Also, those sensors can go bad and they are cheap and easy to replace.
Hope this helps.
 
Mine works fine, the temp is always smack in the middle of the guage, even before I put the key in the ignition.

$8 will solve my problem.

<font color=red>I will not tolerate intolerance </font color=red>
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i second 4x4 blazer i knocked mine off once while changing spark plugs. it should be on the drivers side around the center of the block. hope this helps

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Oh yeah...green wire near spark plugs?...disconnected it working on valve cover gaskets last weekend...sad thing is it took me this long to notice.

90K5
 
That's the one! Drivers side of the engine.
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<font color=black>HarryH3 - '75 K5</font color=black>
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It probably is the sender but you can test your gauge by grounding your sender wire. Just unhook it and touch it against your manifold (cold, of course) and check your gauge. It should go allll the way over to the right if it its OK.

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OK since his problem is now solved, Ihave one myself. My gauge just trips out. At times it will be dead and others it whips all over. Seems like now its just dead towards the top. I just got the rig up and running so I put in a new sender a few weeks ago. When I ground out the wire it does nothing. Is it the gauge itself thats messed up or do I have another problem?? I will be installing manual gauges( no sending units to worry w/ ) But I would like to have this one running also. (just until I tear it all out and go w/ all Autometer gauges)

If ya can't stop.......Smile as you go under!
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Could be your gauge or have a short/bad connection.

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Sounds like your gauge itself has gone tits up - I think Ben (Itali83) has one he'll part with. Shoot him a PM and check it out
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Of the 5 toughest dogs in the neighborhood, my cat's ranked #3
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Thanx guys! Ill look for a bad connection, but Im putting in a set of mech. gauges, so I wont put a whole bunch of time into it. I was hoping this was a common and easy fix. Which it is, but Im not gonna bother to replace the fact. gauge, just to tear it out anyhow.

If ya can't stop.......Smile as you go under!
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