Battery Disconnect on Milano - Page 2 - Alfa Romeo Bulletin Board & Forums

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post #16 of 25 (permalink) Old 03-12-2017, 08:22 PM
Del
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Probably not much of a worry anyway, as the young types who are the most likely to steal your car cannot drive a manual transmission equipped car, lol. And, as I mentioned before, they would never find that almost invisible hood release lever.

You can most likely fix your ARC by installing the higher power 5V chip, and also clean the multiconnectors on the back of the ARC module, and the ARC computer. It is possible though that the computer itself is going. A few years ago I had to try two different used computers to get the ARC to work correctly. I did install the better 5V device previously. During our cold weather here recently, well, cold for here, ~25F, the ARC did act up, but I think it was just poor/dirty/loose cable connections. As soon as the car was turned off and restarted, everything was fine again. It works properly now with warmer weather.

Del

Seattle

89 Milano (wife's daily driver since 1989, Shankle Sport)
91 164S (my daily driver since 1994)
94 164LS (~Q) (trip Alfa since 2000)
72 Morgan 27 (water time since 1976)

previously owned since 1964:

62 Morris MiniMinor 850, 67 Austin 1275 Cooper S (Downton 3/4 race), 64 Giulia Sprint GT (1st red one made), 72 Fiat 128 Sedan, 75 Alfetta Sedan, 78 Alfetta Sedan, 78 GTV, 81 GTV6, 86 GTV6

Last edited by Del; 03-12-2017 at 08:25 PM.
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post #17 of 25 (permalink) Old 03-13-2017, 06:36 PM
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I would buy a Ctek 8 step 4.3 battery charger and tender if I was going to leave the car for more than a week.

These Ctek chargers are awesome and revived an older AGM battery in my M3. They are only around $70 on Amazon and are the OEM for Porsche, BMW, Corvette, Alfa Romeo and etc.

A modern car will eat the battery in a weak with the number of electronic devices.

Louis
2011 M3 e90 ZCP no sunroof, 2004 M3 e46 no sunroof , 1987 Milano 24v, 1987 Milano Verde

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post #18 of 25 (permalink) Old 03-13-2017, 07:14 PM
Del
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I just use an el cheapo HF tender, works fine, both with the cars, and also for the boat which can go all winter without use.

Del

Seattle

89 Milano (wife's daily driver since 1989, Shankle Sport)
91 164S (my daily driver since 1994)
94 164LS (~Q) (trip Alfa since 2000)
72 Morgan 27 (water time since 1976)

previously owned since 1964:

62 Morris MiniMinor 850, 67 Austin 1275 Cooper S (Downton 3/4 race), 64 Giulia Sprint GT (1st red one made), 72 Fiat 128 Sedan, 75 Alfetta Sedan, 78 Alfetta Sedan, 78 GTV, 81 GTV6, 86 GTV6
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post #19 of 25 (permalink) Old 03-13-2017, 08:28 PM Thread Starter
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I have the el cheapo HF trickle charger, but have never used it.

Del - sounds like it has worked well for you?

--Scott
Current: 85 GTV6, 69 Duetto, 87 Milano Gold. Past: 65 Giulia Sprint GT, 77 Alfetta, 79 Alfetta.
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post #20 of 25 (permalink) Old 03-13-2017, 09:12 PM
Del
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Seems to. Keeps the car battery (Costco/Interstate) up, and also does a good job of keeping the marine deep cycle battery (Costco/Interstate) up for months at a time during the winter.

Del

Seattle

89 Milano (wife's daily driver since 1989, Shankle Sport)
91 164S (my daily driver since 1994)
94 164LS (~Q) (trip Alfa since 2000)
72 Morgan 27 (water time since 1976)

previously owned since 1964:

62 Morris MiniMinor 850, 67 Austin 1275 Cooper S (Downton 3/4 race), 64 Giulia Sprint GT (1st red one made), 72 Fiat 128 Sedan, 75 Alfetta Sedan, 78 Alfetta Sedan, 78 GTV, 81 GTV6, 86 GTV6
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post #21 of 25 (permalink) Old 03-13-2017, 09:23 PM
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I've also got one and happy with it. I'm probably going to pick up a couple more.
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post #22 of 25 (permalink) Old 03-15-2017, 02:44 PM
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Are guys talking about the Harbor Freight el cheapo $8.99 trickle charger? That thing is a POS. It puts out 15 vdc with no surge protection or voltage regulation.

It might work on the Milano but please don't try it on any modern car.

Louis
2011 M3 e90 ZCP no sunroof, 2004 M3 e46 no sunroof , 1987 Milano 24v, 1987 Milano Verde

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post #23 of 25 (permalink) Old 03-15-2017, 05:55 PM
Del
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Do you mean the as labeled 500mA "float" charger?

Interesting, as I've use one for a couple of decades, and it has done a good job of holding both my 164LS Interstate battery up between trips/usage, and also the Interstate Marine battery in the boat, which goes probably 7 months at a time without summertime use. Batteries seem to last at least 10 years.

Haven't come across any damage in that time, but would like to know.

Del

Seattle

89 Milano (wife's daily driver since 1989, Shankle Sport)
91 164S (my daily driver since 1994)
94 164LS (~Q) (trip Alfa since 2000)
72 Morgan 27 (water time since 1976)

previously owned since 1964:

62 Morris MiniMinor 850, 67 Austin 1275 Cooper S (Downton 3/4 race), 64 Giulia Sprint GT (1st red one made), 72 Fiat 128 Sedan, 75 Alfetta Sedan, 78 Alfetta Sedan, 78 GTV, 81 GTV6, 86 GTV6

Last edited by Del; 03-15-2017 at 06:03 PM.
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post #24 of 25 (permalink) Old 03-15-2017, 07:26 PM
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Yeah, I don't trust the Harbor Freight float charger. There are plenty of cheap float chargers based on a switch mode power supply instead of a transformer.

The Harbor Freight is transformer based.

If the line voltage goes up, the charger voltage goes up. The more load on the charger, the lower the voltage. The switch mode chargers will take current from 100-240v and always put out a regulated dc output voltage. I've seen inexpensive ones for $20 or less.

Louis
2011 M3 e90 ZCP no sunroof, 2004 M3 e46 no sunroof , 1987 Milano 24v, 1987 Milano Verde
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post #25 of 25 (permalink) Old 03-15-2017, 08:03 PM
Del
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Well, it is interesting. While I've had no problems whatsoever with any batteries I've used it on for a longtime, I will check the output voltage that people complain about. I have no reason to expect the input line voltage to the unit to go up, but the output sounds like it could be suspect on many units. I will note that most say the voltage they mention is somewhere around ~14.3-14.5, which is basically what the volt meter in the 164 generally reads with the car is running.

I will look around for a better unit, but I will probably continue to use this one, as it seems to do a decent job. As I mentioned, the boat Interstate marine battery will sit unused for about 7 months before the summer usage, and it is always up just right.

Any recommendations? I see Black and Decker advertises a supposed switch mode charger, seen on eBay for ~$20-30.

Del

Seattle

89 Milano (wife's daily driver since 1989, Shankle Sport)
91 164S (my daily driver since 1994)
94 164LS (~Q) (trip Alfa since 2000)
72 Morgan 27 (water time since 1976)

previously owned since 1964:

62 Morris MiniMinor 850, 67 Austin 1275 Cooper S (Downton 3/4 race), 64 Giulia Sprint GT (1st red one made), 72 Fiat 128 Sedan, 75 Alfetta Sedan, 78 Alfetta Sedan, 78 GTV, 81 GTV6, 86 GTV6

Last edited by Del; 03-15-2017 at 08:21 PM.
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