tap into SPEED SENSOR / reading
#1
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tap into SPEED SENSOR / reading
Hi Guys. Installing a Pioneer Head unit with Sat/Nav. I have to tap into the speed sensor signal behind unified meter and a/c amp connector, is this the right wire (between the two red arrows)and the right connector?
TIA
TIA
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Makriluc (05-23-2023)
The following users liked this post:
Makriluc (05-23-2023)
#5
350Z-holic
iTrader: (13)
Isnt the speed sensor a CAN based data-output?
Is this what your sat/nav is expecting to use?
If you can’t find the right wire let me know and I can look in the FSM - I’ve been around those parts chasing a fuel level sensor issue.
Is this what your sat/nav is expecting to use?
If you can’t find the right wire let me know and I can look in the FSM - I’ve been around those parts chasing a fuel level sensor issue.
#6
New Member
iTrader: (4)
I did some digging in the FSM. Based on what I've found. It's the GRAY connector (M49 in FSM), pin #26 (white wire). Here's a PIC to help identify the plug.
VSS = Pin #26 on M49 Gray harness plug.
Beall is correct that some of this wiring uses the CAN system for communications. But I think this specific pin/wire is the raw/analog signal that the A/C Amp Meter then takes and converts/interprets into a digital CAN signal on the bus, for example your Multi-gauge LCD in the triple pod above the cubby.
When your install is done, share some pics!
Cheers!
-Icer
VSS = Pin #26 on M49 Gray harness plug.
Beall is correct that some of this wiring uses the CAN system for communications. But I think this specific pin/wire is the raw/analog signal that the A/C Amp Meter then takes and converts/interprets into a digital CAN signal on the bus, for example your Multi-gauge LCD in the triple pod above the cubby.
When your install is done, share some pics!
Cheers!
-Icer
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bealljk (05-24-2023)
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#8
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I stand corrected, this wire is a digital output signal. But this is still the wire you want to tap into for your head unit.
Note: For stereo installation, the VSS wire is usually not a hard requirement, however it does give you more accurate location data when using a GPS/Map application.
VSS Digital waveform example, 5V reference.
More than happy to help! I'll also be doing a stereo install soon on my Z and I'll also need to be finding/using this wire.
Cheers!
-Icer
Note: For stereo installation, the VSS wire is usually not a hard requirement, however it does give you more accurate location data when using a GPS/Map application.
VSS Digital waveform example, 5V reference.
More than happy to help! I'll also be doing a stereo install soon on my Z and I'll also need to be finding/using this wire.
Cheers!
-Icer
Last edited by icer5160; 05-23-2023 at 12:24 PM.
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Makriluc (05-24-2023)
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