Vehicle power devices Opel Omega A

Electrical system specifications
For models of later model years, see Appendix at the end of the Manual ( Section 13 ). System type - 12 volt negative ground Battery - Acid, maintenance-free,...

General description
The vehicle is equipped with a 12V electrical system with a negative ground terminal. Electricity is generated by a belt-driven generator from the crankshaft...

Technical service
1. Perform the following procedures at the intervals indicated in Routine Maintenance at the beginning of this manual. Refer to the appropriate chapters in...

Electrical System — Precautions
Additional precautions must be taken when working on the electrical system to avoid damaging semiconductor devices (diodes and transistors) and avoid the risk...

Battery — removal and installation
1. The battery is located in the front left side of the engine compartment. 2. Loosen the clamp nut and bolt on the negative (-) clamp, remove the clamp and...

Battery — Charging
1. Under normal operating conditions, the battery should be fully charged by the alternator. 2. Charging from an external power source may be useful for...

Alternator — test in a car
1. If the alternator is not charging the battery, check first that the drive belt is intact and in good condition and properly tensioned ( Section 2) . Also...

Generator — removal and installation
1. Disconnect the negative battery cable. 2. Locate the electrical connections on the back of the generator and disconnect them. 3. Loosen the adjusting and...

Generator brushes and voltage regulator — removal and installation
Note: On some models it may be desirable to remove the alternator as described in Chapter 7 due to restricted access. 1. Disconnect the negative battery cable....

Starter — general description
The Bosch starter is mounted on the rear of the crankcase. It is of the pre-engage type, meaning the pinion gear engages through the hole with the flywheel...

Starter — check in the car
1. If the starter does not work when the switch is turned on, the motor is not stuck, there are five or six possible causes: a) Faulty battery defective b)...

Starter — removal and installation
1. Disconnect the negative battery cable. 2. Jack up the front of the car and fix it on axle stands. 3. Find electric connections on the traction relay and...

Starter overhaul — general description
1. Before overhauling a badly worn starter motor, compare the cost of the repair with the cost of a new starter. If the difference is small, then it is...

Traction starter relay — removal and installation (starter removal)
1. On the front side of the traction relay, unscrew the lock nut and gasket and pull the electrical supply wire out of the clamp on the column (photo). 2....

Starter brushes — inspection and removal
1. Remove the starter and place it on a clean bench. First, remove the armature end cap, which is attached with two small bolts (photo). Remove anchor bracket,...

Starter — disassembly and assembly
1. Complete disassembly of the starter should only be carried out by a specialist workshop, as special testing equipment is required. But some types of repairs...