#Battery warning lights generator
Remember when replacing the generator wires that the connecting terminals need to be soldered on to ensure a good connection. If any of the leads are corroded you should replace them.Ĭheck the wiring connections to the back of the generator, then work your way along the wires to the regulator box or The generator earths via the engine and a poor connection here will affect its performance. Then check the battery terminals, making sure they are clean.Ĭarefully check the battery earth lead where it joins the bodywork and also the main earth strap from the engine to the bodywork. If the warning light glows above idling speed, you should check the charging circuit wiring for any poor connections that are causing a high resistance. Pull each wire from the voltage regulator in turn, or disconnect the wires to the solenoid, and clean up the terminals using wet-or-dry paper. Of oil and dirt then refit the mounting bolts, making sure they are tight. Their exposed position in the engine bay they can become oily and provide onlyĬheck this connection by removing the mounting bolts. These provideĪn earth passage from the generator to the engine and body, but because of Remember also to check the generator to engine mounting bolts. Don't forget to check whether theīattery lead connections and engine earthing strap are still good. Disconnect the wiresĪnd clean up the terminals if they are dirty. Or dirty wiring connections causing the high resistance. If high resistance is the problem, the warning lightĬarefully work your way through the entire charging system looking for loose Test this by switching on more and more electrical accessories once the If the warning light simply glows dimly it usually indicates the problem is Normal when you rev the engine slightly but comes on again as the engine speed The third possible problem with a warning light is that it goes out as In this case you should disconnect the wire from this Some cars, however, have an alternator which uses a separate Again the terminal will be marked WL or IND. The alternator has an external regulator, the warning light wire attaches to it If the alternator is fitted with an internal regulator, the wire you wantĬonnects directly to a terminal on the back of the unit marked WL or IND. Whether the alternator is fitted with an internal or an external voltage If your car has an alternator, the warning light wire connection depends on Marked either WL or IND - this is the wire you , often mounted on the bulkhead or inner wing. But first you need to knowĮxactly which type of charging system you have so that you can identify theĬars fitted with a dynamo have the warning light wire connected to a remote They returned the car to the customer, and it was running well.To make this check you will need to find the warning light wire in theĮngine bay where it connects to the charging system. The mechanic replaced the alternator and retested the battery, which was now working properly. The additional testing showed that the alternator was broken and needed to be replaced. The technician then got the customer's authorization to perform additional tests. Additionally, the dashboard lights began to dim, so they didn't perform a test drive.ĭuring the vehicle health inspection, the technician found that the battery had enough load but needed more charge.ĭuring the charging system test, the alternator output was 10 volts, indicating a failure this can be an issue with the alternator or voltage regulator. The technician did an initial test of the car, noticing that it was slow to start and the battery light was on. However, when they brought the vehicle in, the light was constantly active and only went off when the key was turned off. In some cases, the belt might slip, affecting the alternator's charging capacity.Ī customer came to the auto shop concerned that the battery light on their dashboard had been coming on intermittently for about a week, mostly at idle. The left-side red arrow points to a belt. Jerking When Accelerating at Low Speeds.What Do My Dashboard Warning Lights Mean?.
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