Current draw, checking with VAT -40 tester

WARNING: This page is about a different car, the 1996 Volkswagen Jetta. However, it is still accessible from the selected car via links, so may be relevant.

Connect power supply to tester.
Place leads for glow plugs into adapter clamp.
Press button for current measurement.
Activate pre-glow, start engine and run at idle speed.
During extended glow period (approx. 180 sec.), take reading of current draw with engine running.
- Current draw approx. 32 A: glow plugs OK
- Current draw less than 32 A: See Glow plugs, testing .