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Help installing "Water Temp Default Switch"

hd4rob

Well-known member
Lifetime Membership
Jan 6, 2010
1,066
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Lake Park, MN
Wire

Are you looking for the water temp sensor wire that goes to ecu? If so I believe it is the yellow with blue(almost gray looking) stripe. If you are going to splice for fuel trim settings you will need the settings for what voltage corresponds to what water temp.
 
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