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What is the tan wire for that comes off of the CDI and meets up with the temperature gage wire before heading to the diode? What condition causes the CDI to ground it?
I checked the temperature switch (or sensor) on my 1990 Johnson 70hp by putting it in a pot of water. It was activated at 208F. This seems way too high. What temperature should it be triggered/activated at?
Problem statement: Overheat alarm goes off after 5-10 minutes of running my engine. I'm typically leaving the launch at an idle and then increasing throttle. Sometimes I get to WOT for a minute or two, takes longer at 2-3k RPM before alarm sounds.
Knowns:
1. New impeller and cup.
2. New...
When I turn the key on the ignition, the alarm does not sound. I'm sure it should turn on just for 1-2 seconds as a check. I know it works, I shorted it using the temp sensor connection. I replaced the ignition last fall using a SeaChoice 11651 which cross referenced the 393301 that's called...
