Buy Genuine Volkswagen Charging System Harness 1J0-971-349-HG: it's a known issue and the alternator wiring harness is the culprit. I got this and a replacement fuse box also here on amazon. Bought this for my sister's 2003 to replace the wiring that melted due to VW's common
(2003 Volkswagen Jetta) When I purchased her back in May 2009, the alternator had to be replaced twice! When I took her back in for the flickering about 2 months later, the dealer claims they checked the charging systems, ground wires and everything checked ok.
before you replace alternator for no charging voltage, check the fuse. Skip navigation Sign in. Volkswagen Jetta TDI Diesel Alternator Replacement -DO IT ON TOP THE WAY YOUR MECHANIC DOES!
2003 VW Beetle 2.0 Liter, 115K automatic, the wiring harness/ Fuse block keeps melting/ overheating on the Black(ground) - Answered by a verified VW Mechanic I have a 2003 VW Beetle 2.0 Automatic. The alternator will not charge the battery and everything tests OK.
An alternator needs a 12v supplied circuit to 'excite' the windings so it can start to charge. This blue wire comes from the one side or the alternator light and the other side of the light comes from switched 12v+ supply.
How to Tell if Volkswagen Needs New Alternator By Product Expert Posted in Tips and Tricks, VW Service on Wednesday, January 25th, 2017 at 5:38 pm. Many of us assume that our battery is dead when our car doesn't start.