Compression Ignition Addict
Join Date: Nov 2007
Location: Los Angeles California
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Wiring 2 EGT probes to 1 gauge ???
I bought my truck with a autometer pyro with the EGT probe in the downpipe. The previous owner welded the bung onto the downpipe, and now the probe doesnt want to come out.
I could just not use that probe, since its stuck in there, and I have a new probe to put in the manifold.
Option 2) I could somehow wire the two different probes to a switch, and use the same gauge. I could switch from manifold pyro to downpipe pyro when i want to.
I dont want to buy another gauge as it takes up more space and costs more money. I would liek to do option 2.
Has anyone had any experience wiring up two probes to 1 gauge? Autometer is no help as they say that the voltage between the red and yellow wire is so small that adding a switch and another prob will distort that number and cause the gauge to be inaccurate. I have a feeling this is possible. Help please.