Generator, starter, intake manifold preheater (VW Passat B3)

T2 - plug connector, 2-pin, behind the relay board
T2a - plug connector, 2-pin, behind the relay board
T2i - Plug connector, 2-pin, behind the relay board

(125) ground connection "3", in the headlight wiring harness
(C10) connection to "plus" (30), in the headlight wiring harness
(C11) connector, in the wiring harness of the cooling system fan

T1 - plug connector, 1-pin, next to the starter
T1c - plug connector, 1-pin, near the intake manifold
T2 - plug connector, 2-pin, behind the relay board
T8a - plug connector, 8-pin, behind the relay board, automatic transmission connector
T28a - plug connector, 28-pin, on the left side of the cylinder head
T45 - plug connector, 45-pin

(15) ground connection, on cylinder head
(E12) connection to "plus" (30) "1", in the wiring harness of the Mono-Motronic system

(The original text is available on the portal: vwmanual)