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Eric, You placed me in the right direction. The wire to both the oil temp and oil pressure is capsuled in a single plastic sheath. I was able to cut through the now baked sheath and determine which wire was the low oil pressure line (black). Discovered that the black wire was fried from the close proximity to the exhaust manifold. After detaching it from the sensor, I cut it off close to the electrical fitting that services both the oil temp and low oil pressure leads and made a new wire to extend from that point to the block sensor. Low oil pressure light on the dash oil pressure gage now lights when the motor is off and goes off when pressure is established. Gage and sensor are now verified as OK. Thanks,