7.2.3. Check of the relay of candles of an incandescence


  1. Measure resistance between plugs No. 3 and No. 4 of the relay, - the required value makes 13 Ohms.
  2. Make sure of lack of conductivity between plugs No. 1 and No. 2 of the relay.
  1. Give battery tension on plugs No. No. 3 and 4, - conductivity has to appear.