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07-07-2003, 09:36 PM
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#1 |
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Registered User
Join Date: Feb 2003
Posts: 7
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temp gauge problem
the temp gauge in my 70 cst must be shorting out or something. it's pegged hot, even after I installed a new sending unit and a new gauge. does anyone know where each of the four posts on the back of the gauge lead to? It would probably work if I could bypass the printed circuit. any help would be greatly appreciated!
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07-07-2003, 11:31 PM
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#2 |
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its all about the +6 inches
Join Date: Jan 2001
Location: Hilliard Ohio
Posts: 2,693
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The green wire that is on the sending unit...trace it back to teh firewall. See if it is melted on the manifold or something like that.
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07-08-2003, 12:31 AM
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#3 |
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newly minted old timer
Join Date: Dec 1999
Location: Hudson WI
Posts: 3,508
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im dealing with the same problem right now. havent had any time to work on it.....let me know if you find anything.
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____________________________________________ 72 c20 longhorn 65k org miles and counting! 69 k10 Suburban |
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07-08-2003, 03:50 PM
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#4 |
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Registered User
Join Date: Apr 2000
Location: Frisco, Tx, USA
Posts: 606
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I vote for a burnt wire. Happend to me as well. Manifolds get pretty hot. If the wire is good, unplug it from the sensor and it should go back to cold, then your sensor is bad. Otherwise, grab your schamatic and start tracing it throught the bulkhead connector because you've got a short somewhere. The printed circuits are easiest to look at with the dash out, that is once you figure out which wire on the connector is the one you want.
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http://home.comcast.net/~r.landrum/w...tos.html-.html '68 C-10 LWB, '98 Z-71 350 w/accessories (Serpentine), Edelbrock Performer, Edelbrock 1405 (600cfm) carb, GM HEI, CompCam Extreme 4x4 roller cam, Thorley Headers, Carter Electric Fuel Pump, Vintage Air, 700r4, 3.73, disc brakes and power steering upgrades. |
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