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| xafalcon |
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Any nown issues with EF V8 alternators with low charging voltage? I have an EF V8 Fairmont and charge voltage is is about 13.5V. Swapped alternators to a spare I had, but same low charging voltage. I'm used to seeing arounf 14.5V on charging. Battery is OK. But the car struggles to start after driving around town (thermofans running etc). A jump start turns the motor over normally, so it's not the starter motor
_________________ XA Faimont 351C, AU2 XR8 Manual 5.0, DA LTD 5.0, Mk1 Capri 5.0, 1995 Mustang 5.0, EF2 XR8 Manual, EF2 Fairmont Ghia 5.0, AU3 XR8 Auto, AU2 XR8 Auto, AU2 XR8 Manual Ute, TE Cortina 5.0 Manual, DU LTD 5.0 soon to be manual |
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| snap0964 |
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Check the negative terminal earths to the body, and engine block. Get a multimeter and see what (if any) voltage drops you get across them with engine running.
Wouldn't hurt to unbolt them and give them a clean, along with the battery terminals too. I'd be expecting around 14.0v idle voltage. Oh, and check the alternator plug for crap/corrosion, etc.
_________________ 96 XH Longreach 'S': LPG, Alarm, 3.23:1 LSD, Cruise, Trip Comp, ABS, Power Windows, Mid Series Dome Lt, Climate Ctrl |
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| TedW |
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as per snap0964 -
do thermo fans run all the time or not ?? have battery tested |
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