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Relays

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1990Volvo740
Posts: 18
Joined: 10 Aug 2024, 15:10
Year and Model: 1990 Volvo 740 GL NT
Location: Seattle
Been thanked: 1 time

Post by 1990Volvo740 »

My coolant fan does not come on.
Which of these controls the fan, what does the other one do and what are the test methods for determining if they are good?
Yes I jumped the switch at the top of the radiator with a screwdriver and the fan did not start.
Relays 02 Ed.jpg

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