Alfa Romeo 159, ODBII Y adapter with power switch

Рет қаралды 636

2 жыл бұрын

In this episode, we will add a switchable ODBII port, in an Alfa Romeo 159. The same procedure applies to Alfa Romeo Spider, and Alfa Romeo Brera. The same logic, minus the mounting instructions, applies to any car with an ODBII diagnose port.
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Пікірлер: 4

@NeiroAtOpelCC 11 ай бұрын

I don't know if there's a 15 connection somewhere in the area, but wouldn't it make sense to connect power from there to the odb pin 16 instead? That way it is on whenever the ignition is on and still wouldn't drain the battery.

@SteliosLiver 11 ай бұрын

True, but Ι only need the OBD BT adapter when I troubleshoot a problem, or when I 'm logging working parameters, and *not every time I 'm using the vehicle*. That why I chose this approach. This way, I can power on the module whenever I needed it. And I can also restart the module while driving.

@myfavoritethings4504 11 ай бұрын

Hi Stelios, brilliant 159 content. I hole to upgrade to the same Head Unit. Can you still recommend it? One year later? Do I solder both Red & Black cables to pin 16 of the adaptor... im new to all the electrical stuff. Thank you

@SteliosLiver 11 ай бұрын

Greetings @myfavoritethings4504, The two cables of the JST connector are used to *interrupt* the power of pin 16 via a switch. You will *cut the cable line of the selected pin*, and you solder one cable *in each side of the line*. = This will enable you to cut power to one of the two outputs of the Y adaptor (the one that will receive the OBDII BT adaptor) The cable colors of the JST connector are irrelevant. Treat them as if they were both red. (since you are interrupting the + of the circuit). As far as the HU is concerned, I 'm still happy with it, though I bet there are better ones out there by now (don't know, don't care, since I 'm happy with this one) Would I recommend it? I can't recommend one product over the others, since I have experience only with the one I bought.