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200 Temp Gauge
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Red Bank View Drop Down
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Joined: 18 Apr 2018
Location: Germanton NC
Points: 1051 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Red Bank Quote  Post ReplyReply Direct Link To This Post Topic: 200 Temp Gauge
    Posted: 01 Aug 2020 at 9:27pm
I bought a new coolant gauge and sending unit for the 200. Not really sure how to wire it up. Old gauge had two terminals + and -. New one has three terminals one marked 12v and the other ones negative. When I hook up the hot wire from the fuse to the gauge at the 12v post something pops in the switch and I lose power to the fuse. Not sure what’s going on but the main question is how to hook up the new gauge.
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Joe(TX) View Drop Down
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Joined: 11 Sep 2009
Location: Weatherford. TX
Points: 1682 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Joe(TX) Quote  Post ReplyReply Direct Link To This Post Posted: 02 Aug 2020 at 7:40pm
12 volt from the switch ign. terminal. The minus to the sending unit. Should only have power with switch on.
If it pops at the switch there is a short somewhere.
1970 190XT, 1973 200, 1962 D-19 Diesel, 1979 7010, 1957 WD45, 1950 WD, 1961 D17, Speed Patrol, D14, All crop 66 big bin, 180 diesel, 1970 170 diesel, FP80 forklift. Gleaner A
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Joined: 12 Sep 2009
Points: 21918 		Post Options Post Options   Thanks (0) Thanks(0)   Quote DrAllis Quote  Post ReplyReply Direct Link To This Post Posted: 02 Aug 2020 at 8:19pm
The third connection is to go to a ground. It is DIFFERENT than the original design.
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