Just hookup your existing boat wiring infrastructure to the terminal block and buss bar. This information is also available in a. Connect the large red power lead between the positive battery terminal and the largest stud that has the insulator on it with an open end wrench. On one boat the engine had been upgraded to the optional 72A alternator and was still running through this circuit. I'm interested to see if I have made any fundamental errors. The orange wire from terminal B goes to the main battery terminal on the starter solenoid.
The letters on the alternator are likely to be different on any particular alternator — these are only used to show the main and warning lamp terminals. This is meant to land on a. Might post a picture of the back of your alternator and we can see what happens. Many electrical items are added after delivery, either by the dealer or the owner, so it is reasonable to expect that not all wiring found on a boat will conform to this standard. With the engine off and the orange wire disconnected from the alt, I get no voltage at the wire.
Simply jump the alternator output to the starter post and disconnect the orange wire. I think it was 2001 or later before they used those fuses Re: Orange Wire Hot? I am about to start to rewire our new old trailer sailer. Notice the fuse shown — this needs to be circuit protected with. . Most are terminated with standard 8 ring terminals. Plus these two conductors will carry the current of all your electrical loads combined, so they are typically fairly beefy cables. Color Function Black All Ground Brown Reference Electrode MerCathode System Orange Anode Electrode MerCathode System Lt.
Any help would be much appreciated. So I have left it out for now. You must verify that all required connections are connected to the proper terminal and have the correct voltage in order for the alternator to operate properly. Many alternators require ignition voltage to initiate charging. We have all alternators and parts in stock ready to ship immediately. My alternator died on my 86 Mercruiser 4.
Unfortunately, these diagrams are completely lacking in annotation. Connect this wire to the terminal at the top rear of the solenoid. My old alternator was a mercruiser 4 wire setup, but didnt have markings. The two pins closest to you are the orange and red wire pins for the charging circuit. Below you will find the most common alternator circuits used on marine applications. The Generator guy even drew a diagram on how to hook it up. Owner often put higher amp fuses in or bypassed them all together.
Mercury marine has changed starter and solenoid designs many times over the years. Interestingly enough most of the Westerbeke engines never used a factory installed ammeter and it was sold as an option. The both setting might be used when you are running your engine and want to charge both batteries from the alternator, or if you need to parallel the batteries in an emergency to help start your engine if your start battery becomes too depleted. Technical Service Bulletin Prestolite Electric Subject: Universal Alternator Wiring Instructions On most heavy trucks you will find one, two or three wires going to the alternator. Each switch output gets its on gang on the terminal block, and with the labels right there it makes a handy breakout point for troubleshooting or adding items down the road. Connect this wire to the terminal on the left rear side of the solenoid and terminate the other end to the right terminal on the starter slave solenoid. Don't be surprised if your replacement unit looks very different than the original one.
The solenoid is attached to the top of the starter and sends electrical current to the starter when the ignition switch is turned on. Positives to the terminal block, and negative to the bus bar. A is available in a separate article. It can go to the coil + terminal if you do not have any ballast resistor or resistor wire to the coil. Replace them with a buss bar and ring terminals or butt splices. Okay, so I wired it, adding the orange sensor wire loop. Yes, you'd think the labels would be sufficient, but it's surprising how long someone can stare, mystified, at 5 rows of clearly-marked switches.
I'd guess you have a Type 3. Did I have the wiring correct? Refer to your documentation for wiring information when replacing original starters and solenoids. Other identification can be used, the important part is that wires are clearly identified Color-coding may be accomplished by colored sleeving or color application to wiring at termination points. In nearly all cases your boat wiring system should have a. I would like to have two deep cycle batteries with a small solar panel. The auxiliary is an outboard.
This connector did not have any high current running through it, as this was on a later Westerbeke, but I still remove the problematic and quirky trailer connectors as I find they are very poorly suited for the marine environment. Two conductors — a positive from the battery switch with a fuse and a negative from the ganged together battery negatives should be ran to where the central switch panel is. Connect the other end to the terminal located on the right rear of the alternator. The engine started, and after a minute or so, smoke started coming out of the alternator grille. Anyone see any problems with the way I have wired this up? So this is what you are looking for, the trailer connector.