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Ways to Prevent the Fuses on the Battery of the Volkswagen Golf MK4 (also Jetta/Passat/Bora) from Melting

Model: Volkswagen Golf Golf IV, Golf 4, MK 4 - Years: 1997, 1998, 1999, 2000, 2001, 2002, 2003
Part: Fuse box

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Video tutorial

In this video, you will see some tips to avoid a problem that sometimes occurs: the fuses located physically on the battery melting. This can be prevented in several ways: the first is to check the black cable that goes from the fuse panel to the alternator: if it has been pinched somewhere, the alternator will not receive enough current.

The second is to check if the nut securing the black cable on the fuse panel is loose; if so, it needs to be tightened. The third concerns the ring terminal of the black cable holding the nut. If this does not have a perfect contact with the 110 amp fuse, then the end of the cable (or the entire cable) needs to be replaced.

In an emergency, you can clean the ring terminal with sandpaper, but this is only a temporary fix until you can get to a service. The fourth possibility: if the 110 amp fuse is oxidised or burnt, replace it with a new one, and also check the smaller 30 amp fuses.

Finally, check the voltage regulator of the alternator, which may be causing issues.


Updated on 5 September 2026 by ScegliAuto


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by ScegliAuto

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