Converting Oil Temp gauge to Oil Pressure Gauge? |
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Converting Oil Temp gauge to Oil Pressure Gauge? |
9144me2enjoy |
Aug 5 2018, 08:34 PM
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#1
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Member Group: Members Posts: 310 Joined: 19-June 18 From: Oregon Member No.: 22,240 Region Association: Pacific Northwest |
1973 Porsche 914 2.0L. I’m removing my Oil Temp Gauge and installing a Oil Pressure Gauge. I installed a 100 psi VDO Oil Pressure Gauge. Do to the size of the new Sender Unit that fits a 100 psi VDO Gauge you cannot just insert it in the same location in the Taco Plate! I was able to drill a 7/16 hole in the same plate and install the new sender unit. I left the original sender unit where it was at and just removed the plug and placed it on the new 100 psi Oil Pressure Sending Unit. On the other end I just plugged the original harness back in the same 3 prong plug in on the back off the new VDO Oil pressure gauge. Sending unit wire to G and the + to fuse box etc. No reading on gauge! What’s wrong. The new sending unit is extended about 1/2” inside. Any suggestions. Thanks
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malcolm2 |
Aug 7 2018, 09:02 AM
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#2
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Advanced Member Group: Members Posts: 2,745 Joined: 31-May 11 From: Nashville Member No.: 13,139 Region Association: South East States |
I used a metal braided paint ball gun hose. They have several lengths. Some folks use grease gun lines. I then mounted the sender on the fan housing with a metal strap to ground it all. Truthfully, I hate the idiot light feature on the VDO sender. The vdo sender lights my green dash light at just under 10 psi. Hot summer days at stop lights and the damn light comes on.
I have a gauge in the engine bay too. It tells me that the OP is OK even when VDO lights the lite. The Draft 42 rig allows you to use the stock OP sender and the vdo sender, plus a direct gauge. You get 1 in, and 3 out. I have the rig, but have yet to install it. |
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