The Data Link Connector (DLC) is located in the dash at right side of ashtray. You need to remove the ashtray and slide the access panel to the left. The connector is hidden behind it.
It's kinda nifty how they hid it, but it can REALLY be a pain to find out on your own...
Hope this helps!
check behind the shifter lever and remove tray.
The speed sensor on a 98 Jetta is located near the brake setup. It is on the passenger wheel area mounted to a bracket.
On a 1998 Honda Civic Coupe, the diagnostic port, also known as the OBD-II port, is located under the dashboard on the driver's side. It is typically found near the steering column, just above the brake pedal. You may need to remove a cover or panel to access it. This port allows for the connection of a diagnostic tool to read trouble codes from the vehicle's computer system.
Fuse box on 98 Jetta is located under steering wheel above pedals.
its on the top of the bellhowsing and on the differential case
serpentine belt diagram for 98 jetta tdi
On back side of motor under the intake manifold
It has one, It is underneath the center table in between the front seat
How do I check transmition fluid n 98 vw jetta vr6 2.8
on 98 demio , it is under bonnet, top right, small grey box with lid marked 'diagnostics'
no
Divers side between the door and steering wheel (left of steering column), its covered.http://www.nology.com/pdfandzipfiles/obdiiconnectorlocations.pdf