Wire harness question for an 04 ram hemi 5.7

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Have a stupid question but better to be safe than sorry. I'm doing head gaskets on my first dodge hemi and I can't get a wire harness loose off the valve cover and I can't find it anywhere in my service manual. I can't find a bolt holding it and not sure If it's just a push on harness or if it bolts on somehow. Pics attached. Thanks for helping the noob.

Other than this, the overcooked pistons, not enough beer in the fridge, and some coolant dripping out of the exhaust everything is just fine. ~Sarcasm ~
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