I bought a 55 a to replace my 35 a. Alternator wiring diagram and engine wiring diagram from the yanmar service manual are attached below.
Alternator Connection To Batteries Sailboat Owners Forums
Hitachi alternator wiring diagram. The horizontal part of the t is known as s. This is the. The alternator posts are e ground b battery l lamp and r. Hitachi alternator wiring instructions needed in reply to llerrit 12 10 2004 094026 i just finished putting a hatchi alternator on my m using guidance from big john and bob melville. 80a hitachilralternator lr180 with oval connector. Terminal definition notes a battery comes from the word accumulator b battery main battery feed b battery main battery feed c centre neutral half voltage centre point of a y connected stator.
Yanmar 3gm hitachi alternator wiring diagram my original yanmar 3gm engine had a 35 amp hitachi alternator with a e ground b batter and a l lamp connection. Today i will be sharing some basic info about the terminal connections of an alternator with full explanation about its working of it field rotor and armature stator. Engine is a yanmar 3jh4e with hitachi lr180 03c alternator. A alternator white wire e earthground black wire s sense white wire l lamp whitered. Big john has been putting a hitachi 14231 alternator on several tractors in place of a generator under the hood. The back of the alternator has a post marked b which is of course for the battery.
Here is how to wire a hitachi 14231 alternator. The replacement alternaotor used on later model engines in addition to the previous connections has a r connection could mean regulator. Does anyone know if this alternator is machine sensed vs battery sensed. Alternator terminal identification guide. In front of me is a hunter wiring diagram from a boat with the hitachi 55amp alternator. Then there is a t shaped hole with two male end wire attachments.
If its machine sensed then i simply need to connect the output b to my house bank. The r post is the one closest to the edge of the alternator the one we are calling the t connection. It goes to the battery side of the alternator where all the other brown non keyed power go to. The following information is presented as a guide when wiring and troubleshooting alternators. It is wired exactly like the 1980s alternator only the connector shape differs. It uses ls wiring but with large oval connector instead of t connector.
Gallery of Hitachi Alternator Wiring Diagram
