check egr light is on and negative battery cabel is smoking 1978 5.2 318 van
Battery cable negative is smoking by the terminal .check
Egr light come on the dash light when I'm trying to start
Throatily clean the battery posts and the terminals ends, none of that black corrosion on either end, if smoke continues after cleaning replace the negative cable. EGR light on these was controlled by a 9 volt battery behind the front Bezel on the instrument cluster once the bezel is removed you can see the 9 volt battery, just replace it with a new one.
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