LED Voltage Display for 940

[baggy798]

Well after having some problems with the charging circuit on my 940, I thought it would be a good idea to fit something to monitor the system voltage so it doesn't leave me stranded again!

There really isn't any room for a traditional 52mm volt gauge and the type that plug in to the cigarette lighter stick out a mile and take up the socket, but there is a nice little place under the fuel gauge that is usually reserved for the outside temperature gauge. I don't think Volvo made any other optional extras for this space.

So I purchased one of these 0.28" Mini DC Volt Meter displays. I picked green as the cluster gauges have a slight green tint.

Making the hole in the plastic blank and spacing out the display was easy enough (2x M5 nuts).





I tried it like this in the car but it was freakin' blinding so bought a 5% window tint sample and stuck that over it.



For the wiring I piggybacked on to the fuel gauge. The black wire goes to B3 (ground at the fuel level sensor) and the red wire is attached to A2 (power supply +15).





Here's some pictures with the cluster refitted.