Question about 1998 Opel Astra
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Nov 06, 2016 | Cars & Trucks
The tail and marker lights and Instrument lights are on the same circuit so both will go out if the fuse for this circuit blows. If fuse continues to fail, check the tail light or marker globes, including the globes for the number plate, for a globe that may have an internal short causing the fault and replace as necessary. As you have already checked the wiring near the light fittings for any chafed wires that could be shorting to the body causing the fault, then a closer inspection of the wires inside all the light assemblies for any shorts may be needed.
It could also be that the instrument dimmer control has failed and is causing the fault. The electronic bits inside the dimmer control for these lights sometimes go faulty. Try disconnecting the connecting plug on the rear of the dimmer control and checking if fuse still blows. If fuse continues to fail, then the fault in the tail and marker lights circuit.
Remove all the tail, number plate and running light globes from the light assemblies and leave the instrument dimmer control disconnected and check if fuse still blows.
Disconnect the plug near each of the light assemblies to see if any of the individual assemblies is causing the fault. With all light assemblies disconnected and fuse continues to fail, then the fault must be in the main wiring loom some where.
If you have a Multimeter, it could be used to determine which light assembly has a fault between the lamp supply and earth connection.
Feb 25, 2011 | 1987 Toyota 4Runner
Feb 21, 2011 | 1994 Ford Bronco
The parking and tail lights are usually on the same fuse as the dash lights, so check the fuse located in the fuse panel under the dash to see if it is blown. If replacement fuse blows again then it could mean a bad tail light bulb or a wire in the wiring loom that is shorting to the body. Check globes first and then check wiring loom near light assemblies for any chafed or bare wires.
Dec 19, 2010 | 1989 Chevrolet S-10 Blazer
The Tail lights and Instrument lights are usually on the same circuit so both will go out if the fuse for the circuit blows. Check for a blown fuse for this circuit and replace if out. If fuse continues to fail, check the tail light or side globes for a faulty globe and replace if necessary. Also check for any chafed wires that could be shorting to the body causing the fuse to blow.
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