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Yellow residue on ECU normal

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Tony818

Proven Member
139
23
Jul 15, 2015
Denver, Colorado
I'm assuming because this is normal? I never opened up an ECU before and I dont have another one for comparison. Thanks in advanced
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Tony818 said:
My other pics wont upload for some reason
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Because you posted in the wrong place and it's now moved.

The yellow waxy coating is applied to protect the circuit board from moisture, so yes it's normal.
 
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