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by scot850
21 May 2023, 22:52
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Re: Battery drain in 3 or 4 days 150ma draw fuse 15

These P80's have a current draw. Typical for the earlier ones is 10-20 mA. Only stuff that should really draw is the radio which has a constant feed that stores the radio channels and the alarm system but that should be it. The later 99- can run as high as 40-45mA. Mine does but that is because it h...
by matthew1
13 Mar 2025, 14:50
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Volvo OBDII Emission Inspection & "Readiness" Check PDF is here

Just so we have this. Historical links to it like this one http://new.volvocars.com/ownersdocs/2005/2005_Emission/OBD_II_Emission_Inspection.pdf are broken because Volvo took it down some time in the recent-ish past. OBD_II_Emission_Inspection.pdf Readiness Reset Driving Cycle What are OBDII Emissio...
by scot850
24 Mar 2025, 10:34
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Re: P80 Dolby system operation question

The plan is to try and fit this into the 850. I just wanted to know if it was worth all the effort of fitting the Dolby unit without the center dash top speaker. I have also no idea if the older style of amplifier will work with the SC-900. When our project level on his other cars drops down, we wil...
by abscate
15 Apr 2025, 04:29
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Re: SC-816 radio questions

Hello! Need good photos of the motherboard of the Volvo SC 816. From both sides. No need to unsolder the board to take a good photo from above. Whatever works out. Thanks in advance. There were a couple of good photos in a VRD piece on soldering in a plug connection for AUX input from an iPhone. I’...