a bunch of nismo owners on other sites report that you can get those features on NISMO models by just buying and installing the switches in 2005's... 2006's dont do it according to one guy...
The 05's are supposedly pre-wired for HDC and VDC, and you just put the connectors on the switches... I wasn't able to see if HDC was working, but according to one owner the VDC off button works!
I am tempted to try this
I doubt it actually disables the VDC because I doubt it actually has the VDC installed! VDC incorportes some pretty sophisticated electronics to include an accelerometer that measures G forces while rounding a curve, so aside from the sensors on the ABS that track traction, there are other inputs the computer uses to regulate throttle inputs, brake pressure, etc. I can't see all this technology just hangin on all these trucks just waiting for someone to install a couple $15.00 switches! Besides, I don't think VDC and HDC are even options available on the Manual Transmission NISMOs! So, before shelling out any cash for switches that do nothing more than light up when pressed, I'd be doing a lot of research!
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I doubt it actually disables the VDC because I doubt it actually has the VDC installed! VDC incorportes some pretty sophisticated electronics to include an accelerometer that measures G forces while rounding a curve, so aside from the sensors on the ABS that track traction, there are other inputs the computer uses to regulate throttle inputs, brake pressure, etc. I can't see all this technology just hangin on all these trucks just waiting for someone to install a couple $15.00 switches! Besides, I don't think VDC and HDC are even options available on the Manual Transmission NISMOs! So, before shelling out any cash for switches that do nothing more than light up when pressed, I'd be doing a lot of research!
There are a few people with A/T Nismos who say the VDC is both enabled, then disabled, just by adding a switch. Dunno about M/T, but this would not be the first time Nissan, hell, every car maker, would have included a feature from the factory worth $hundreds that can be activated by a simple thing, such as a switch.
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05 4X4 Nismo KC 6-Speed Mods: PXNI AAI-NIS Audio input box, XTR7CK Sirius Sat Radio (dash antenna & custom radio mount), iPod integration, lug/spare/gas locks, Silverstar 9007ST Headlights, Full Synthetic Swap (engine/diffs/tranny/xfer case), OEM Rubber floormats, Flowmaster exhaust, K&N 63 Series Intake w/ an AEM dryflow filter