Miata Cooling System Diagram It seems it is the radiator fan or fans but it also shows the same connections at the diagram for air conditioning controls. it's for the main engine cooling fan, the one on the driver's side of the radiator, not the a.c. fan on the passenger's side of the radiator. the a.c. fan relay (passenger's side radiator fan) is mounted behind the. The positive side of the coil for the cooling fan relay is powered by the main relay only when the ignition is in the on position. grounding the temperature switch wire when the key is off should essentially do nothing as the coil requires both positive and negative power to make any "clicking" sound. now in the on position, the fan should come.
Cooling System Problems This is a good test to determine that the relay and fan motor are working. (this test will not activate the a c condenser fan.) if the test above fails to activate the radiator cooling fan, then the 30 amp cooling fan fuse in the main relay and fuse box is blown, or the cooling fan relay or main relay has failed open, or the fan motor is bad. The ac fan (passenger side) doesn't come on at all. here's what i've tested: 1: fuses are intact and have voltage when the car is running. 2: the fan motors both work (running 12v to them directly turns them on) 3: i've tested the cooling fan relay (behind the driver side headlight). it's broken. Fuse box diagrams (location and assignment of electrical fuses) mazda mx 5 (mx5) miata (na; 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997). Mx 5 miata automobile pdf manual download. also for: mx5 miata 1999. cooling fan relay inspection. intake air system. vacuum hose routing diagram.
Miata Parallel Fan Wiring Did It Myself Fuse box diagrams (location and assignment of electrical fuses) mazda mx 5 (mx5) miata (na; 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997). Mx 5 miata automobile pdf manual download. also for: mx5 miata 1999. cooling fan relay inspection. intake air system. vacuum hose routing diagram. Image 1 circled in red is the coolant fan relay that i am looking for (image was off google) image 2 my coolant fan relay (4 prongs) image 3 the fan turns on when i put my fingers on the area circled in green on the relay. image 4 my fuse relay box. i decided to fix the coolant fan relay today and i started off by changing the yellow (20. Engine performance. 1.8l. 1.8l, engine performance circuits (1 of 2) 1.8l, engine performance circuits (2 of 2) exterior lights. back up lamps circuit. exterior lamps circuit, w drl. exterior lamps circuit, w o drl. ground distribution.
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