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Truck positions 1 through 6
Six truck positions are marked on the handheld in the film. They sit with four trailer positions, Pre-trip, and Learn. The number is the product’s map of a tractor: enough positions to name the wheels the film expects you to watch, and a control for teaching the cab which sensor is which. A light that only means “truck” sends the driver on a lap. A position number sends the driver to a wheel.
Learn is not optional in that map. Until a position is learned, position 5 is a label with no sensor behind it. The work after the socket is the work of identity. Sensor bars on the hub bolts, hoses on the stems, repeater in the steering-axle hand hole, receiver where the driver can see it, then Learn. Power and mute keep that receiver usable on a night shift. They do not replace the six names.
Safety is per position. A dual position needs both stems, curved fitting and straight fitting, so the wireless transmitter can equalize pressure between the two tires and monitor low and high pressure. A single position, such as a steer tire, still needs pressure maintained. Skip one of the six and the truck’s balance is only as good as the wheel you left out. The cabin display stores the date and time of a low-pressure, high-pressure, or temperature problem against the system you actually installed, which is why a missing position is a missing fact later.
Security inside a fleet is a shared numbering habit. If one terminal calls the left steer position 1 and another calls it something else, the stored time is still true and the conversation is messy. The film prints 1 through 6. Use that language in the cab and in the shop so a note from the road matches a bay. Value is less diagnostic time. Walking six named positions is faster than diagnosing “a vibration somewhere.” About five minutes a sensor and about forty minutes for the truck is how those six get hardware. The trailer’s four are a similar job and a separate map.
The site says all-in-one and built in the USA. Treat that as the site talking. The film shows the six marks and a screen that, in one moment, reads 104 PSI and 53°F. That reading is not position 1’s specification. It is a frame. The line to remember is optimal tire pressure and performance wherever you go, on the positions you bothered to name.
Every truck needs its six positions in service for safety, security, and value, and every trailer needs its four. Tell us how your shop numbers wheels today. Someone replies about your trucks. A failed form leaves your text in place and offers customersupport@truckstpms.com.
Post the six positions where the night driver can see them without opening a binder. A small card at the receiver is enough: which corner is 1, which is 2, and how the drives are numbered front to back. Do this before the first road call, not during it. A driver who is stopped on a ramp will not invent your numbering correctly. If two shops number drives in opposite directions, pick one this week and change the card, not the argument. The handheld already says 1 through 6. Your card says what those marks mean on your tractor. Trailers keep their own card for 1 through 4 so a borrowed trailer is not forced into the tractor's map. When a new hire rides along, the trainer calls a position and the new hire points at the wheel. That is the whole training. It is also how a stored time becomes a wheel you can find in the dark.
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Every truck and every trailer needs the Greenbox for safety, security, and value. Send a note and someone replies about your trucks.