Oregon_PLG222 Posted May 31, 2015 Report Share Posted May 31, 2015 I replaced the alternator on my 510. I wasn't sure the wires were connected correctly since the posts on the old one didn't match the new one. I read a post another post about the wiring. It was talking about A/B and L/F wires. Not sure what those are. The old alternator had an A and an E post in addition to the plug. The new one has the same plug which is obvious. I connected the large gauge yellow/red wire to the "A" post. I connected the two grouped black wires to the only other stud which was on the underside of the alternator (in the second picture from on the ground looking up through the engine bay). Is this correct? I have a voltage nice meter. where/how do I test to ensure it's charging properly? Even though I've swapped to electronic ignition (matchbox) in my 521 and 510, wiring and alternator stuff is not my strong suit. Quote Link to comment
datzenmike Posted May 31, 2015 Report Share Posted May 31, 2015 Large White/Red stripe to A White/Black stripe and Yellow to the plug. Can't mix them up Black wire is ground. Quote Link to comment
banzai510(hainz) Posted June 1, 2015 Report Share Posted June 1, 2015 the double black wire you can ground it with the otherside where the hole that is threaded above the hitachi symbol Quote Link to comment
DanielC Posted June 1, 2015 Report Share Posted June 1, 2015 The "E" on the Hitachi alternators is for "Earth". "Earth" is the literal english translation of the word the japanese use for what we call "ground" in electrical circuits. Quote Link to comment
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