by Altransit » Wed Nov 08, 2017 5:16 pm
One is a dedicated starter battery, and is disconnected from the electrics when the van is standing. The other is an auxilliary battery that powers everything else that works with the engine not running (central locking, lights, radio, etc)
When you turn on ignition, a relay closes and connects them together for starting and charging.
1994 Mk4 SWB 115 Minibus 70ps Di (R.I.P.)
1997 Mk5 SWB 115 Minibus 70ps Di (Gone, but not forgotten!)
2004 Mk6 SWB T280 Medium Roof 85PS 2.0 TDDi - Vantunered (Also gone)
2008 Mk7 SWB T280 Medium Roof 85PS 2.2 TDCi - Also Vantunered