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Wiring diagram for 2003 response LXI


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have no fuel, oil ,and temp gauges after replacing both oil sensors and broken close nipple in engine block.

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I think I've seen you posting about your variable oil pressure on Facebook. Initially said only about oil pressure gauge issues. That pointed towards bad oil pressure sensor.

But now after replacing both oil sensor and switch you have multiple gauges issues. That's pointing towards wiring at gauges, possibly a bad earth connection, MMDC connection plugs or the MMDC itself failing. Nothing to do with the oil sensor or switch.

FYI the engine water temperature sensor(s) will be on top of engine at front.   

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uk_exile thanks for the info. I checked the resistance on the old and new sensors the old was 256 ohms and the new is 240 ohms which varieties your suggestion. The display for water temp, depth etc. is also out so I will check the under dash grounds. Thanks for your help.🇨🇦

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6 hours ago, Waterskiguy said:

uk_exile thanks for the info. I checked the resistance on the old and new sensors the old was 256 ohms and the new is 240 ohms which varieties your suggestion. The display for water temp, depth etc. is also out so I will check the under dash grounds. Thanks for your help.🇨🇦

Water temp and depth should be a completely different system, I would expect.  Probably Lowrance.  Check both power (B+) and return (B-).

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1 hour ago, justgary said:

Water temp and depth should be a completely different system, I would expect.  Probably Lowrance.  Check both power (B+) and return (B-).

Starting in 03 that was built into the lcd on the speedo or tach. 

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20 minutes ago, UWSkier said:

Starting in 03 that was built into the lcd on the speedo or tach. 

Thanks for the update.  I'm only twenty years (or so) behind!

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