FORUM RULES UPDATED - The forum rules have been updated to continue to provide a friendly and safe environment for our member community. Please take a moment to review the updated rules and our terms of use and privacy policy. Click here for Forum Rules which has links to the 'terms of use' and 'privacy policy'.
long story short i fried my swtich box. replaced that and now have good spark on all four. engine fires right up but misses bad, especially when the timing is advanced you can hear the missing 2 cylinders kicking in randomly. Could i have fried the ign. driver or stator also? Engine ran perfect...
I made a mistake and connected my 1970 merc 500 to the merc connector of my merc 1400. That resulted in a shorted out switchbox. I replaced the switch box and re-tested to find the engine has good spark and starts right up. The engine now has a bad missfire and pops and clicks. It seemed to be a...
Hi everyone, I am hoping that someone out there has experienced similar problems and can give me some advice! I have a merc 1400 and a merc 500 that i have ran interchangeably on the merc 1400 wire harness that is installed in my boat within the last year and a half. My 1400 went down for a...
