| 1. Disconnect a wire from the negative plug of the rechargeable battery. |
| 2. Disconnect the socket from the electromagnetic valve. |
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3. Measure resistance between contacts of the C145 and "massoy" socket. Resistance: 4,1–5,1 Ohms
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| 4. If connection is absent, check an electric chain for break or short circuit, or replace the valve of management of pressure. |
| 5. Connect the socket to the electromagnetic valve. |
| 6. Connect a wire to the negative plug of the rechargeable battery. |
