skid Posted November 2, 2015 Report Share Posted November 2, 2015 Re the Water in fuel detector.I have a 2000 GU which was originally a zd30 but had a TD42 transplant. Although there are wires attached to the fuel filter at the bottom, I've yet to see the water in fuel light appear on the dash which the owners manual says should briefly light up, Is there a way I can test to see if it is actually working, if so how? Link to comment Share on other sites More sharing options...
ricster Posted November 3, 2015 Report Share Posted November 3, 2015 A road side test would be to take a clean clear glass bottle and place the small hose that hangs below the filter into the bottle and open the "tap" to bleed out about 100ml of fluid. examine the fluid in the bottle. Diesel will float on top of the water, and any water will, depending on quantity, will either bead up and sit on the bottom of the bottle, or if there is a lot, it will show a clear flat disk shape of clear liquid. One would need to have a fair amount of water in there to illuminate the dash light. I usually tap off a few milliliters every time I do a service ( 5000km ) just to make sure all is well. Link to comment Share on other sites More sharing options...
Rumcajs Posted November 3, 2015 Report Share Posted November 3, 2015 Patrol OEM filter housing uses little float which connects to ground when lifted up by water inside the housing as it is more dense than fuel. Or just unplug the connector and bridge the terminals inside, the light should come on. Cheers ricster and skid 2 Link to comment Share on other sites More sharing options...
skid Posted November 6, 2015 Author Report Share Posted November 6, 2015 Just tried shorting the wires as you did but the engine light came on not the water in fuel light, so they must have stuffed something up when they did the conversion, but at least I have some form of light on the dash coming on, engine light is better than nothing..... Link to comment Share on other sites More sharing options...
Rumcajs Posted November 6, 2015 Report Share Posted November 6, 2015 (edited) Sorry bud, they didn't really stuffed up, they just left it as on ZD30 where filter warning is connected to MIL (Malfunction Indicator Light aka engine check lamp). Because yours is ex ZD30 model you dashboard doesn't have filter light decal but MIL decal instead. If yours was OEM TD42 it wouldn't have MIL decal but filter light. Its all in the decals as pinouts on both displays are the same. As a matter of curiosity on TB45 (petrol models) it is immobilizer light. Abbreviations: EG ==> ECM (e.g ZD30) models MIL/Check Engine TD ==> TD42 fuel filter SN ==> TB45 immobilizer Regards Edited November 6, 2015 by Rumcajs skid 1 Link to comment Share on other sites More sharing options...
Yendor Posted November 6, 2015 Report Share Posted November 6, 2015 Glad to see your on top of it Rumcajs....LOL Link to comment Share on other sites More sharing options...
Paul Posted November 6, 2015 Report Share Posted November 6, 2015 Who needs a manual , just ask Rumcajs >) ricster and skid 2 Link to comment Share on other sites More sharing options...
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