tempreture sensor Circuit Mercury Water Temp Gauge
Quicksilver Engine Water Temperature Gauge Sender 806490T for MerCruiser Stern Drives and Inboard Boat RV Water temp gauge | RICO Instrument There was a threaded hole in the back of the port side cylinder head that I used to install mine. Directly in the middle of the head, Temp gauge and WP fitting Auto Meter Gauges are available here Site - Google + ...