Chattering noise

I have 2003 Sea Pro with a 2002 Johnson 115 4 stroke. I have developed a chattering noise (if you will) coming from the throttle box. It is intermittent and stops if I engage the trim (either direction). Then will start again when I release the trim switch.

I was hoping someone could point me in the right direction. TIA.

nothing in the control box to “chatter”

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IF I RESPOND IN ALL CAPS, ITS NOT ON PURPOSE, AND I AM NOT YELLING

Any chance it could be a temperature alarm? The stream seems a little weak at idle.

The noise sounds almost like a solenoid chattering, but gets more intense. It does stop, at least temporarily, if i engage the trim though.

IM AFFRAID I HAVE TO GUIDANCE WITHOUT SEEING THE PROBLEM

www.teamcharlestonmarine.com
www.joinrfa.org
IF I RESPOND IN ALL CAPS, ITS NOT ON PURPOSE, AND I AM NOT YELLING