thisisagreatuser
Registered User
Is it time to replace the controller and relay completely? I've replace all glow plugs with the correct ZD9 ones. Have been starting the truck for a few weeks by just shorting across the large terminals on the relay. Starts right up. So plugs and wiring after controller should be good. The always hot wire to relay is good, the ground is good. Its just doing the rapid clicking. Figured putting a really good relay in there like the power stroke guys do would fix it. Took apart old relay and it had one post that looks worse than the other. Kinda melty on the copper part.
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