 VDO Cylinder head and oil temp gauges/senders, How to troubleshoot and install |
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| pin31 |
 Feb 1 2007, 07:08 PM
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#1
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Member  Group: Members Posts: 398 Joined: 30-January 07 From: Newport, Rhode Island Member No.: 7,492 Region Association: North East States  |
Hi gang,
Anybody have any experience with VDO Cylinder head and oil temp gauges/senders. I have 4 gauges and clock in my console. Oil pressure - works but idiot light doesn't (FI removed, do I need the 2-pole sender?) Oil Temp - not working Cylinder Temp - not working Volt meter - working I changed the plugs (not sure about the round terminal around plug or thermocouple ). |
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Replies(1 - 3)
| 904svo |
Feb 1 2007, 07:43 PM
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#2
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904SVO Group: Members Posts: 1,118 Joined: 17-November 05 From: Woodstock,Georgia Member No.: 5,146 |
Oil pressure (idiot light) should have a sender located along the distribtor with a
green/red stripe wire, if you ground this wire it should light the oil pressure idiot light if the bulb is good. The tempture gauge is connected to a tempture sender on the bottom of the engine ( TACO Plate) with a green/black stripe wire which come out by the shift lever, which is plug into the same color wires to the tempture gage. Sounds like the CHT is not connected to the thermocople couple under a spark plug or it not there. |
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| pin31 |
Feb 1 2007, 08:00 PM
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#3
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Member Group: Members Posts: 398 Joined: 30-January 07 From: Newport, Rhode Island Member No.: 7,492 Region Association: North East States |
Good tips, thanks...I check it out this weekend.
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| Joe Bob |
Feb 1 2007, 08:10 PM
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#4
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Retired admin, banned a few times Group: Members Posts: 17,427 Joined: 24-December 02 From: Boulder CO Member No.: 5 Region Association: None |
Head temp has a ring, goes around the spark plug. Then there is a ground and a power lead....
The oil pressure should have a DUAL pole sender that takes the place single pole sender for the idiot light. The idiot light goes on one pole, the pressure for the gauge on the other. The oil PRESSURE and the IDIOT light measure the same thing from the same source....make sure the dual sender is the right one for your gauge. Oil Temp, should have a seperate sender and it also has a power, gornd and sender wire. All should be powered by the fuse that is on the keyed side of the ignition. In other words....no power when the key is off. |
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