JW3

got the truck cranking went the next morning to go to work but the same thing happened roll over but will not bust off . i got a buddy with a scan tool pulled code 1689(no communication between ecm and injection pump)today i separated the wire harnesses between the ip and the ecm sprayed with contact cleaneradn reassembled. the truck started 4 times on the 5th try the **** thing just rolled over again. i dont know if the ecm is taking a **** or if a have another fault? how in world would u check the ecm?any help would b greatly appreiciated.

RATTLINRAM

Welcome to the site JW3,
Click on User CP above and to the left of your post. Then click on Edit Signature and fill it in with your truck description. This will help the folks help you with diagnosing your problems. Hopefully someone can help you out. We have some very knowledgeable members here!

JW3

my bad rattle. Iwas on the chat line the other night, and took it for granted yall was the same bunch. thanks for pointing that out

crobtex

Does that mean you don't need our help?

J BODY

Dealer has a test tool. Unplug VP44, plug in test tool, see if truck starts....That would be an easy way to tell which direction to go.

crobtex

Are these available for public consumption? Any idea where a fellow might find one, and how much they cost?

JW3

**** straight i am about ready to douse this thing with diesel and lite a match

JW3

u say ur in texas give me a shout or private message me im having hell outa a 2000 3500 4x4 5 speed with a no start condition. the **** thing is getting fuel but what else could it be

crobtex

See your other post on this.

https://www.dieseltruckresource.com/...ad.php?t=86969