Pigsy
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| posted on 6/7/18 at 11:06 PM |
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Ford ST170 Smart Charge Alternator
Does the smart charge on the alternator need to be connected for the ecu to work? Must I have a silver calcium battery? Will it run on a standard lead
acid battery? I know it pokes +/- 14.5 volts and probably won't be a good idea. What does everyone else do? Just disconnect the plug?
Thanks in advance.
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big_wasa
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| posted on 7/7/18 at 09:50 AM |
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Your using the ecu so why not let it control the alternator ?
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Pigsy
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| posted on 7/7/18 at 10:27 PM |
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No problem with that. A new battery is only about £80 as well. BUT, silver calcium batteries suffer from excessive sulfation amongst other things. Not
good.
What I am really asking is: Will the ecu allow the engine to start if I just don't use smart charging?
Without smart charging, it is a straightforward alternator.
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ttalps2000
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| posted on 8/7/18 at 06:29 PM |
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i never bothered with the calcium battery on my Cmax i had with smart charging. A mate who is a mechanic never fits them when replacing and has not
had an issue in 15 years.
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obfripper
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| posted on 8/7/18 at 08:41 PM |
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You'll be fine with a Ca-Ca battery (usually marked as maintainance free but not always as calcium), the charging voltages are the same as Ag-Ca
ford batteries.
Most batteries you can buy now are calcium tech anyway, conversely this is a problem with older cars as they don't produce the correct voltage
to fully charge this battery type.
Dave
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