These 3 throttle Position Sensors (TPS) types are compatible with each other for all VOLVO 1800E/ES, 140GLE, 164GLE from 1969 to 1975.

Bosch # 0 280 120 012, # 0 280 120 026 and # 0 280 120 039

1. sliding contacts
2. Contact pair for acceleration function
3. Rotor with switching function, moved by the throttle shaft
4. Contact pair for thrust-off-function

Order-No. BOSCH # 0 280 120 012, VOLVO # 241722
Release 02.1971

Features:

• Throttle Position Switch consisting of the base body, the circuit board (BOSCH 1 288 310 003) with conductor tracks, the sliding contacts and two pairs of contacts.
• The cover is screwed to the base plate
• The switching elements are driven by a rotary element arranged on the throttle cap shaft (clockwise, view from behind)
• Base plate with holes for water drainage
• 4-pin plug-in connection (2.8 mm AMP tabs), connections soldered to circuit board

PIN assignment

Order-No. BOSCH # 0 280 120 026, VOLVO # 243366
Release 11.1971

Features:

• Function identical to BOSCH 3 0 280 120 012

Order-No. BOSCH # 0 280 120 039
Release 06.1973

Features:

• Eplaces BOSCH #0 280 120 012 and #0 280 120 026
• Circuit board #1 288 310 023 with improved rotor
• Contacts no longer soldered to circuit board, now pressed onto conductor track using spring contacts
• Contact pairs of version 039 much less sensitive
• The cover is clipped onto the base plate
• The holes on the base plate for water drainage are covered with adhesive tape
• 4-pin plug connection (2.8 mm AMP tongues)
• Plug connection newly rotated by 180°

PIN assignment