Have been having an issue with low or no oil pressure on the gauge when idling after the engine is warmed up completely. Tonight when I got home, I noticed that when I turned my headlights off, the oil pressure immediately came up to normal. Think this might be related to the wiring harness gremlins? Oh,,, this is on my TE.

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95 SL500 Smoke Silver, Parchment 64K
07 E350 4matic Station Wagon White 34K
02 E320 4Matic Silver/grey 80K
05 F150 Silver 44K