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lunkerdo
05-22-2011, 06:23 PM
Hi I have twin 350 inboards the temp gauge goes crazy when cruising the when i slow down it goes back to normal any ideas thanks.

Docksidemarineservices
05-22-2011, 10:13 PM
Please define "Goes Crazy"

lunkerdo
05-23-2011, 10:19 PM
it goes from 175 to 0 then to 100 back to 175 then all over the place when u idle back down stays at norm temp

mastertec Tech Mercury
05-23-2011, 11:09 PM
look for loose ground

Steve

WoodieMan
05-23-2011, 11:26 PM
Sounds like a bad connection to me; ground or sender wires at sender and or gauges, and check contacts in engine harness plug if applicable.

lunkerdo
05-23-2011, 11:56 PM
thanks for the info guys ill take a look

lunkerdo
05-31-2011, 09:32 PM
I checked it out this weekend and it was a loose wire on the sender.A repair that did not cost anything thats a plus. Again thanks for the info.