740 L4-2.3L SOHC VIN 88 B230F (1985)
![background image](/volvo/740/l4-2.3l_sohc_vin_88_b230f/Page-1289012.png)
B+30 = from battery
50
= from ignition switch terminal 50
16
= to ballast resistor, ignition coil
M
= to starter motor field coils
J30 Testing
If a test bench is not available, use jump leads.
Bosch 0 001 311 1..