Smart Alternators G'day Lads,
Does Jeep Jks specifically 2014 model have smarts alternators..? Chad |
yes, they have been since 2007, but with Chrysler ECU software they're a drawback and killing the outstanding battery (CRD)
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my 07 diesel unit did not look very smart when I pulled it out, usual amount of wires and no weird looking crap hanging off it, BUT I bet whatever it hooks up to has voodoo stuff attached.
It has an overrun pulley which will rattle before it shits itself. Optima battery must be kill proof, its a few years old now.. |
Optima D31A is used in USAF ground support equipment and reported to last 8 years on average. My JK chewed 3 of them lasting under 3 years each dying always after hot days. I worked out the problem and kinda fixed it: http://www.ausjeepoffroad.com/forum/...66&postcount=1
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No...... its a plain constant output unit. Controlled by the TIPM.
If your in doubt put a volt meter ( or OBD reader ) on it and go for a long drive - you'll see the voltage never falls below 14ish .... |
On the 3.6's the alternator output is controlled by the PCM.
There is a table in the software for it. Output is regulated versus battery temp not ambient temp. As the battery gets hotter, charge voltage is lowered... Quote:
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