Jeep Grand Cherokee WJ Code P1491 Coolant Fan Relay Sensor Replacement
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Diagnostic Code 1491 Coolant fan relay fix. Get your code by turning the key in the ignition 3 times quickly. If it reads code 1491, then you can follow these quick steps to get access, replace and repair the troublesome Cooling fan relay sensor. This is a quick view. You will need to remove the headlamp to do so. You may find other videos about Jeep WR headlamp removal online.
0:00 - 0:25
How to find the diagnostic code.
0:26 - 1:20 Location of Coolant fan relay.
1:21 - 1:45 Accessing the relay.
1:46 - 2:27 Removal and replacement of Coolant fan relay.
2:28 - 2:35 Quick check before finalizing.
2:36 - 3:35 Replacing headlight assembly notes.
3:36 - 3:53 Final check after reassembly.
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