[Heatwave3]

For those of you that have installed Wilee's Speed Pulse Generator (SPG) to override the Factory GPS limitations I have a few questions. Maybe others might be able to help even if you haven't done the install. I'm installing this SPG unit in an 08 Sequoia however the dash and GPS wiring are nearly identical to the 07/08 Tundra.

I received Wilee's SPG and picked up a black 15amp 125V AC spdt rocker switch (3 terminals on the back). I’m planning to install it horizontally in the upper center of the plastic housing that has the cigarette lighter on the left and the accessory outlet on the right (this is the plastic housing just below the climate controls in the center console of the dash on the Tundra/Sequoia). My thinking is that there’s plenty of space behind the plastic housing in that location to handle the cutout, switch and wiring. It also will allow me have the rocker set to normal GPS operation when “rocked” to the driver side and override the GPS for phone and direction entries when “rocked” to the passenger side. Let me know if you think I’ve missed something in the placement of the switch as I haven't done any cutting yet.

I have a few questions I was hoping others on this forum could help me with before I start cutting anything.

1. The picture I received from Wilee of the speed sensor wire plug going into the Nav unit is slightly different from the one in the Sequoia. Essentially the Sequoia speed sensor plug has an additional red wire going into the same gray plug that does not exist on the Tundra's plug. Is this red wire going into the speed sensor related to the rear camera or the rear entertainment? Is the center white wire still the right wire to tap into for the SPG?

2. Is there any advantage to using the power from either the accessory plug below the climate control or the cigarette lighter? The cigarette lighter wires are the same color in the Tundra as the ones in my Sequoia (a gray wire and a white wire with a black stripe). Does anyone know which of the 2 wires is the ground and which comes from the 12v ignition? I assume the white wire is the hot lead and the gray wire is the ground, but I thought I'd check here to confirm. (after further checking the white wire with black stripe goes to the outside of the accessory plug housing and is therefore the ground. The lighter uses the sames white wire with black stripe which should make it the ground to the lighter plug as well.)

Thanks again for your assistance with these questions. I also sent these same questions to Wilee however I thought maybe someone else might have experienced the same questions and found the answers.