Wiring lexus v8 alternator systems the charging system has two essential functions turn the ignition switch to on do not start the engine alternator output test no load 6 record the ammeter reading lexus v8 3uzfe vvt wiring diagrams for lexus ls430 2002 model engine management. Start date aug 18 2010 ivan129 blown 1uz300zx aug 18 2010 1 hi wondering if some one could point to where i can find the wiring diagram for a 1uzfe alternator im doing and engine swap 1uzfe into a 300zx just need to clarify the following ill send you the lexus overall wiring diagrams for the 1uz and theyll include the charging . 1uz wiring install instuctions 1uz fe conversion wiring harness 85 95 22r e and 3vz e applications notice to customer if there is a problem suspected with the wiring harness call nwt do not cut alter or dissect the ors conversion harness nwt accepts no responsibility for a harness that has been tampered with no excetpions. The process for wiring a starter and an alternator on a car is divided into two parts the first part deals with the power circuit connections because starters consume and alternators produce great amounts of power the second part involves the control circuits starters are turned on and off and alternator output is . So i finally narrowed down my short to the hot wire that goes from the alternator to the starter i looked up the wiring diagram and was able to locate and remove the wire except there seems to be a problem it was just a 10 ga wire running from the alternator to the starter and about half way in between was another 10 ga wire spliced into it running to a junction block on the firewall above
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