Volvo S/V40 Generation 1 Installation Guide BC250/500
The BC-harness is delivered complete with all the connectors. When all the wiring is complete it’s important to secure the harness and make sure that it’s not mounted directly on top of extremely hot engine parts such as the header. You can use cable ties to secure the harness.
(A) Bosch fuel injectors.
(B) MAP-signal to MAP-sensor through hose.
(C) RPM signal from cam sensor.
(D) Boost control valve (Bosch connector) and power supply.
(E) Grounding through screw into the chassis.
(F) Suitable hole for harness through firewall
(G) 2 optional analog in- and outputs
(H) 24-way connector for the BC-box
Tools needed for the installation
1) Screwdrivers, e.g. torx key.
2) Steel wire and soap if the box should be mounted inside the car.
3) Solder iron
4) Cutting pliers
Installation
1) Read the whole instruction first, at least one time.
2) Turn the ignition off and remove key
3) Remove engine cover
4) Lay down the harness on top of the engine, as it is supposed to be when finished.
5) Fuel injectors (A)
There are ordinary Bosch fuel injector connectors prepared in the harness. The 8 connectors are paired up male-female. The principle is to connect the box between the fuel injectors and the original harness using a male-female pair of connectors. This is also our +12V power supply.
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