icanfixall
Official GMM hand model
Historically the 6.9 plug controller called a relay was never a very good way to control the plugs. The failed at a high rate leaving the plugs on till they burned out. the upgrade is the solid state controller using the ZD9 plugs with the billet connectors. they are a better way of using the glow plugs. Mel offers a replacement 6.9 relay and has proven its a better item than the oem parts.
To upgrade or convert to the as it is known here. The 7.3 solid state system you will need the harness from the solid state controller to each plug and the controller. Might want to see if you can get the mounting bracket is there is one. Its a bolt in screw in swap easily done under the shade tree.
To upgrade or convert to the as it is known here. The 7.3 solid state system you will need the harness from the solid state controller to each plug and the controller. Might want to see if you can get the mounting bracket is there is one. Its a bolt in screw in swap easily done under the shade tree.