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HCO41 · 09-30-2015, 07:33 AM

I thought the oil pressure sending unit provided a variable ground to the gauge. Seems that hooking a "hot" wire to the sender would be a direct short. JMHO
Howard

09-30-2015, 07:33 AM	#12
HCO41 Senior Member Join Date: May 2013 Location: Lyndon, Vt. Posts: 456	Re: 1939 Deluxe mystery wire I thought the oil pressure sending unit provided a variable ground to the gauge. Seems that hooking a "hot" wire to the sender would be a direct short. JMHO Howard