Try a google search like this Isuzu Diesel glowplug
Use the advanced feature in Google to add this domain http://www.4x4wire.com/forums/
Anyway we have discussed the glow plug controller many times as you will see with this search


Brian Rodgers
Internet traffic relayed through DIY solar powered WiFi tower.
www.outfitnm.com
1989 Isuzu Pup gasser
2-86 Isuzu Trooper turbo diesels (1 good 1 bad)
Many gallons of biodiesel since 2005