2. On a Bosch distributor, the capacitor is installed on the outer surface of the distributor housing. If the capacitor is short-circuited, the ignition system will cease to perform its functions, because the contacts will no longer open the low voltage circuit.
Photo 5.2. Capacitor and distributor clamping plate.
3. If the engine is difficult to start or begins to misfire after a few miles, and the breaker contacts look badly burned, you should check the condition of the capacitor. To further check, with the ignition on, separate the contacts by hand. If a strong blue spark occurs, then the capacitor is faulty.
4. In the absence of special equipment, the only reliable way to test a capacitor is to test replace it.
5. To remove the capacitor, it is necessary to remove the distributor cover, slider and plastic plate.
b. Remove the support plates and disconnect the low voltage wire supplying the contacts from the spade connector located inside the distributor housing.
7. Disconnect the low voltage wire from the coil connecting it to the distributor.
8. Remove the screw securing the capacitor and low voltage wire to the distributor body. Please note that the capacitor comes with a low voltage wire to connect to the coil, a wire lug, and a mounting rubber grommet.
9. Install the capacitor in the reverse order.
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