Something to keep in mind is that the CDH glow-plugs draw 10 amps on startup for about 1 minute and 10 amps on shutdown for 1 minute. A lot of people have a problem getting enough current to the unit using the small gauge power wires provided with the kit and can cause an error code. The work around is to shorten the wires down as much as possible for your connection. If your connection is not good for a 10 amp draw, cut wires down to a nub and attach a length of 12 or 10 gauge wire (depending on distance) straight to the battery.
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