2012 Vauxhall Meriva - Battery/electrics

Meriva 16 TDI AUTO Problem
The Problem
Paul Dodd
Joined: 3 months ago | Fixes: 1 | Profile

Rac have advised alternator not working , had in garage, who tested it at length and said ok, car drives ok but once starting to use electrics , either cruise control,windscreen wipers or air con battery is draining with alarms sounding and orange fault lights show . Stopping turning all off and driving again car works fine ..WHY PLEASE

Car Vauxhall Meriva
Variant 16 TDI AUTO
Year 2012
  All Vauxhall Meriva Problems
Category Electrics, ECU, Warnings & Lights
Recalls Vauxhall Meriva Recalls
Joined: 10 years ago | Fixes: 12,134 | Profile
Because once you start using electrics you load the alternator which cannot cope .Probably find your battery is low also if you load test it and if original , may need replaced
Paul Dodd
Joined: 3 months ago | Fixes: 1 | Profile
It is a brand new battery , alternator was replaced 17/10/17, , but went through a 12"deep Ford about 8 weeks ago , and problem seems to have started then , is this linked?
Joined: 10 years ago | Fixes: 12,134 | Profile
Water and car electrics / wiring dont mix , especially with nowadays set ups . I'm surprised the garage has not load tested both the alternator and battery , simple tests . If the alternator has been or is faulty it will have run down the new battery which may need a charge to bring up to full capacity . Another thought , the wiring and plug to the alternator should be inspected for water ingress.
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