There are 2 terminals on the HELLA Thermo Switch one for earth and the'Activate' earth switch output (can be wired either way round). Relay Pin 30 should go to a fused 12volt supply Pin 87 Positive terminal of Electric Fan Pin 85 Earth output from Thermo Switch Pin 86 Positive feed from ignition. Prevents fan running when engine is off. To overide the Thermo Switch place an On/Off switch on Dashboard with one side connected to earth and the other DIRECT to Pin 85 of the Relay.We recommend you turn fans off when wadding through water. Airflow: Pull means pull air through radiator Size (Overall): Width 410mm Height 430mm Depth 85mm (3 1/2). Suggested application Primary fan for Engines over 2000cc. This item is in the category "Vehicle Parts & Accessories\Car Parts & Accessories\Other Car Parts & Accessories".
The seller is "boltonbits" and is located in this country: GB. This item can be shipped to United Kingdom.