How to test an FTS Wire

Perform Equipment Shutdown Procedures. 

1. Disconnect FTS cable at proportioner. ​
2. Test with ohmmeter between pins of cable connector. ​
3. If cable fails test, Repair Fluid Temperature Sensor (FTS)​
4. Disconnect FTS Cable

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Pins Result 1 to 2 Approximately 35 ohms per 50 ft (15.2 m) of hose, plus approximately 10 ohms 

How to test a FTS Unit 

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Test with ohmmeter between pins of cable connector​

1. Check Pins #1 to #2   Result – approximately 10 ohms​
2. Check Pins #1 to #3   Result – infinity​
3. Check Pin #3 to FTS ground screw Result  – 0 ohms
4. Check Pin #1 to FTS A fitting Result – infinity​

Learn how to use a multimeter here.

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