Oil Temperature Gauge(s)...so what do I have here? Options

[GregAmy]

I've got a '74 2L, 4742918315. Thing was a rebuildable basket case when I got it, been hacking away...today's task was the center oil temperature gauge: it doesn't work.

In reviewing the wiring diagram it appears that I should have a green/black wire running from the sensor at the bottom of the engine to a green/black wire in the center console. However, while I have the red/white and brown wires going to the gauge, the third wire is...white. I used a VOM to ring out the white wire, and it does not go to the sensor wire in the engine compartment.

But here's another odd thing: the car also has a fuel combination gauge ("silver button") with a temp sensor in it. In reviewing various pages on the web, I'm thinking that's not what's supposed to be in this car; best I can tell, this car with a center console oil temp gauge should have a blank area at the top of the fuel combo gauge.

- What do I have here? Is this a center console that someone added on? It has an operational clock and voltmeter (which sucks, by the way).

- If this is the case, what is the plug with the white wire supposed to be for? I don't see anything obvious in the wiring diagram, there's no voltage to this wire, nor does it ring to ground at all.

Stumped, but intrigued...

Greg

[Dave_Darling]

The oil light sender is next to the distributor. The gauge sender doesn't really fit in the area, so you locate it remotely with a grease gun hose and a couple of adapters, or with the kit which is basically a grease gun hose and some adapters. Ground the case of the sender if you do that!

In stock form, there should be a wire from the heater lever back to the heater blower relay on the relay board.

I replaced the gauge panel of my center console with one I cut out of MDF and glued vinyl onto, and used a hole saw to cut the appropriate sized holes for the aftermarket VDO gauges. (Note that the commonly-available ones are slightly smaller than the stock gauges!)

--DD

[ChrisFoley]

The oil light sender is next to the distributor. The gauge sender doesn't really fit in the area, so you locate it remotely with a grease gun hose and a couple of adapters, or with the kit which is basically a grease gun hose and some adapters. Ground the case of the sender if you do that!
...

We recently stopped using grease gun hoses.
They (the newer ones at least) collapse internally after a short time with hot oil inside.
Now we're making our own remote mounted pressure sender hoses from Aeroquip materials.

[GregAmy]

Chris, you have a gauge and sender laying around for sale?