Field Notes
Practical notes on specifying and fitting gauges, senders and instruments. Written from the part numbers up, so you can match the right genuine VDO or Lovato part the first time.
11 Jul 2026
A workshop order of tests for a no-start or cut-out that points at the fuel pump: prime, relay, fuse, supply voltage and earth, so you replace the failed part and not a healthy pump.
10 Jun 2026
How inductive and Hall-effect position sensors work, how to tell an inductive sensor from a Hall type, and how to test each one before you replace it.
28 May 2026
A workshop diagnostic walk-through to decide whether a dead or wrong reading is the sender, the gauge, the wiring or the earth, before you spend on the wrong part.
25 May 2026
How to tell sensors and senders apart by what they do, then confirm the exact part by thread, connector, signal type and range so the replacement reads true and bolts straight in.