Where is the central locking control box located in the old Jetta?

[Fritz]

Old Jetta's central locking control box is located under the left side of the dashboard, which is a control unit integrated with the power window system. Below is some information about the central locking control box: 1. Function: It can simultaneously control the opening and closing of all vehicle doors. Once activated, people inside the vehicle cannot open the doors. 2. Features: Central control - when the driver locks their door, all other doors lock simultaneously. The driver can unlock all doors via the door lock switch or open individual doors separately. Speed control - when the vehicle reaches a certain speed, all doors automatically lock to prevent passengers from accidentally opening doors by operating the door handles.

[LaJasmine]

The central locking control box of the old Jetta actually has two common locations. Having worked with classic cars for over a decade, the most frequent spot I've found is inside the plastic panel beneath the steering wheel. You'll need to first remove the left dashboard cover, located just above the clutch pedal. It's quite hidden there, but you can feel a square plastic or metal box with several wiring harnesses connected. The location differs slightly between round-head and square-head Jetta models - some round-head versions hide it behind the glove compartment. When inspecting, be careful as the plastic connectors tend to become brittle and break. Experienced mechanics usually first locate the fuse box and then trace the central locking relay wiring for quicker identification.

[OKaylee]

I've replaced this control box on my old Jetta before. It's located above the knee area on the driver's side, and you'll need to remove the plastic cover under the steering wheel to access it. The control box is mounted on a metal bracket, about palm-sized, usually with a black-and-white connector. When searching for it, shine a flashlight behind the steering column - the box typically has VW logo printed on its surface. With older cars, wiring degradation is common, and the pins on the box often oxidize and turn green, causing malfunctions. When checking the wiring, cleaning the connectors can save you a lot of trouble. The location isn't particularly hard to find, but the tight space makes the operation somewhat awkward.

[MacLila]

Over the twenty years of running our repair shop, we've dismantled hundreds of central control boxes from old Jettas. The square-head models are always attached to the firewall on the left side of the driver's steering column, while the round-head versions are relocated behind the trim panel on the glove compartment side. To locate this plastic box, follow the central locking relay path—it's usually marked with a white label bearing the J379 code. During operation, first disconnect the battery cables, then remove the cover above the driver's footwell for visibility. Important note: The central control wiring harness in old Jettas often gets worn by floor mats, so always check for exposed wires while working.

[DeNova]

Repairing old car circuits requires attention to positional logic. This control box acts as the brain, so you need to trace it according to the signal transmission path. Remove the lower steering wheel trim on the driver's side, and follow the main wiring harness coming from the door lock switch. You'll find a metal case about the size of a matchbox fixed to the frame. The exact location is three fingers' width to the left of the steering column, and you'll need to lie flat to see it clearly. When searching, remember that the central fuse box is next to the hood release switch, and the main wiring harness originates from there. Old car connectors often have verdigris, so even after locating the box, spray the pins with electronic cleaner.