My trim jumps all over the place. I took it to the Sea Ray dealer- Their "fix" was to turn off the display pop up. I took it to another authorized Merc dealer, but they couldn't find anything wrong. I emailed Mercury and this is what they said
The sender could be faulty for one. You could also...
I agree with all posters! I always turn the ignition back to the left. Even with a new battery I was always too afraid to run the radio for very long. A 2nd battery is always my first mod.
I haven't measured mine, but they are closer to 4 ft than 2 ft. Better to have them a bit long and adjust them down than too short. When my boat is off the trailer, my straps are long enough that I can put the boat hooks together in the middle, and they still span the width of the trailer.
I Would check out Crutchfield.com. They have guides, wiring diagrams, everything you need. I found this article on selecting amps to match a sub http://www.crutchfield.com/learn/how-to-match-subwoofers-and-amplifiers.html?showAll=N . They even have live tech support they can help you choose an...
I had a 2006 185 and had to replace the horn every season. You can buy them from amazon. http://www.amazon.com/Aqua-Signal-Flush-Mount-Boat/dp/B002JQ80PU/ref=sr_1_16?s=sporting-goods&ie=UTF8&qid=1368272565&sr=1-16