The red wire connect to the cathode of power supply and motor. The Blue wire connect to the anode of motor.
The black connect to the anode of power supply. Duct hole is 42mm (1.65 inch). Size:15'' x 7.9'' x 3.15'. Import high qualitiy thermostat and adjustable speed blower switch. Fitting : for 16mm water hose.2pcs x Tee and 2pcs straight fittings 8pcs x 16-25cm hose clamps 1pcs x heater. All items will be checked before packing.
All items are new and of high quality. And you can track it. We will reply you within 24 - 48 hours due to time difference. The item "Universal 12V Car Truck Under-dash Heater 12 Vent Radiator for 16mm Water Hose" is in sale since Monday, March 18, 2019.This item is in the category "eBay Motors\Parts & Accessories\Car & Truck Parts\Air Conditioning & Heat\Heater Parts". The seller is "fcdx1600" and is located in CN. This item can be shipped worldwide.