Dell 5535dn Service Manual page 494

2. Disconnect the sensor (HCIT pass through) from the HCIT controller card assembly.
Note: Remove the cable restraint, and observe the routing for reinstallation.
3. Release the hooks (A) securing the sensor (HCIT pass through) to the machine.
4. Remove the sensor (HCIT pass through) with cable from the top plate.
A
A
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Service Manual