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The cooling fan relay for the 88 Olds Cutlas Ciera is located directly in front of the driver in the engine compartment. It is hidden from sight by a plastic hood that is held in place by one sheet metal screw. The plastic cover is approx 7 inches wide, 3 to 4 inches tall, and would almost resemble a soup bowl cut in half. The cover is made of a black plastic material and is very thin. There are two relays under this cover and the one for the Cooling Fan is the one that has the single larger red wire in a multi connector and has two parallel brown/red wires in the same connector in a different pin location. The red wire is always hot (constant 12 volts) and when the relay energises, the brown/red pair should then have 12 volts on them to the fan. Hope this Helps!
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∙ 18y ago
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