Saab 96 - Page 58

4. Carburetor icing does not occur. If weather is cold and damp,
connect the preheater.
5. Carburetor jets and ducts are not clogged.
6. Accelerator is not stuck thus obstructing the throttle valve
motion.
No negative reading on the ammeter when ignition is switched on.
May be due to:
1. Blown fuse for ignition coil and fuel pump.
2. Discharged battery or a loose battery cable.
3. Poor contact at the ignition switch or at the ammeter.
4. Faulty ammeter.
No sparlcs at the spark plugs, although ignition is switched on and
ammeter reading is correct. The cause may be:
1. Poor connections between cables and distributor or ignition
coil.
2. Ignition cable is ruptured, causing short-circuit.
3. Moisture in distributor or on spark plug insulators.
4. Distributor rotor or cap is cracked.
5. Defective ignition coil.
A
cracked distributor cap or ignition coil cover may be temporarily
repaired by cleaning it and scraping the crack clean.
Ammeter fails to register when driving, although the battery is not
fully charged.
1. V-belt broken or not sufficiently tightened.
2. Generator relay defective.
3. Generator carbon brushes badly worn, stuck in their holders, or
the collector is burnt.
Starter runs very slowly:
1. Battery discharged.
2. Ground connections, cable connections of battery or starter are
oxidized or not sufficiently tightened.
3. The starter carbon brushes may bo stuck, badly worn or dirty.
Battery discharged. The cause may be:
1. Too low electrolyte level.
2. Slipping V-belt.
3. Defective generator relay.
4. Poorly insulated cables.
5. Some current-consuming unit fails to switch off.
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