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Dodge ecu needed help! #743710
December 12th 2018 1:12 pm
December 12th 2018 1:12 pm
Joined: Dec 2018
Posts: 10
Swansea
M
MAIN64 Offline OP
stranger
MAIN64  Offline OP
stranger
M
Joined: Dec 2018
Posts: 10
Swansea
Hi guys,
i'm new to the scene having switched from the vw crew to a 1992 dodge ram b250. my van has a faulty ecu unit and i cant find one anywhere! i'm based in the united kingdom but willing to pay postage if anyone has one or can help me out with some leads!
its a 1992 b250 3.9 v6, ecu part no is 56028757

https://www.summitracing.com/int/parts/aaz-79-8758/applications

these guys seem to be the only people listing this part but are showing march delivery.
ill happilly take a good used one if any one can help get me rolling.
cheers!

Attached Files
Re: Dodge ecu needed help! [Re: MAIN64] #743713
December 12th 2018 2:58 pm
December 12th 2018 2:58 pm
Joined: Jun 2010
Posts: 14,343
Van Diego California
frscke1 Offline
frscke1  Offline

Joined: Jun 2010
Posts: 14,343
Van Diego California
Welcome to the site 64 ....


SUNSHINE VANS-VAN DIEGO
ADRENALIN BY THE GALLON & CHASIN RACIN
ONE FOR THE DIRT & ONE FOR THE STREETS
'93 CHEVY G30 454 4X4 SPORTVAN EXT 146" WB
'92 CHEVY G30 454 BEAUVILLE EXT 146" WB
Re: Dodge ecu needed help! [Re: MAIN64] #743714
December 12th 2018 3:29 pm
December 12th 2018 3:29 pm
Joined: Jan 2001
Posts: 2,202
East Brady, PA
M
Meanmachine Offline
veteran
Meanmachine  Offline
veteran
M
Joined: Jan 2001
Posts: 2,202
East Brady, PA
Partsvoice list 2 of them as available, but the place that has them, usually wants top dollar.

Re: Dodge ecu needed help! [Re: MAIN64] #743715
December 12th 2018 3:31 pm
December 12th 2018 3:31 pm
Joined: Jan 2001
Posts: 2,202
East Brady, PA
M
Meanmachine Offline
veteran
Meanmachine  Offline
veteran
M
Joined: Jan 2001
Posts: 2,202
East Brady, PA
Ebay also shows some available.

Re: Dodge ecu needed help! [Re: MAIN64] #743720
December 12th 2018 10:47 pm
December 12th 2018 10:47 pm
Joined: Apr 2010
Posts: 2,670
San Diego
W
wrcsixeight Offline
veteran
wrcsixeight  Offline
veteran
W
Joined: Apr 2010
Posts: 2,670
San Diego
Thw 92's ecm does not appear to have the very problematic 14 pin connector that plagues some earlier ECM's, but part of the reason that connector was so problematic was the wire bundle weight along with pin and barrell length would put enough leverage on teh solder joints on the circuit board that the solder joints would break and very intermittent stalling issues would get less intermittent.

So you might want to see if simply wiggling the wire bundle and connector at the ECM, with the key to on, not start, causes relays to click on and off.

If so, then some Zip ties hoding the wires in a certain fashion will allow you more time to search out a new remanufactured ECM, or to find someone willinng to try and resolder the connectors pins on the circuit board inside the Unit.

Also the mere presence of dielectric grease in that connector does not mean it is unoxidized and not the issue.

most contact Cleaners do nothing for oxidation on the conductive surfaces. Caig DeOxit d5 is magic electric juice with no equal, and 2nd place is very distant.

https://www.rockauto.com/en/moreinfo.php?pk=27155&cc=1073685&jsn=427

https://www.rockauto.com/en/catalog/dodge,1992,b250,5.2l+v8,1073685,electrical,engine+control+module+(ecm+computer),2896

make sure the new ECM's wire bundle/connector cannot exert stress on the connector.

Re: Dodge ecu needed help! [Re: MAIN64] #743722
December 13th 2018 7:50 am
December 13th 2018 7:50 am
Joined: Dec 2018
Posts: 10
Swansea
M
MAIN64 Offline OP
stranger
MAIN64  Offline OP
stranger
M
Joined: Dec 2018
Posts: 10
Swansea
thanks for the info, all i can find on ebay end in part no 8757 and i need 8758 as apparently this van has a one year multi point fuel injection and i cant find anyone who can confirm the 8757 part will run on it.
thanks for the tips wrcsixeight but living in wales this part has filled with water and blown out. very corroded inside and beyond saving.

Re: Dodge ecu needed help! [Re: MAIN64] #743752
December 14th 2018 4:47 pm
December 14th 2018 4:47 pm
Joined: Aug 2017
Posts: 48
gouldsboro, pa
B
billybob Offline
newbie
billybob  Offline
newbie
B
Joined: Aug 2017
Posts: 48
gouldsboro, pa
I can look in that Monday drop me email with the inv# billybob79@verizon.net An I willcheck on it for you.

Re: Dodge ecu needed help! [Re: billybob] #743777
December 15th 2018 4:44 am
December 15th 2018 4:44 am
Joined: Dec 2018
Posts: 10
Swansea
M
MAIN64 Offline OP
stranger
MAIN64  Offline OP
stranger
M
Joined: Dec 2018
Posts: 10
Swansea
awesome thanks, will do.

Re: Dodge ecu needed help! [Re: MAIN64] #744491
January 15th 2019 8:17 am
January 15th 2019 8:17 am
Joined: Dec 2018
Posts: 10
Swansea
M
MAIN64 Offline OP
stranger
MAIN64  Offline OP
stranger
M
Joined: Dec 2018
Posts: 10
Swansea
still struggling to get a part, can anyone tell me what the difference is between californian and federal ecu? mine isnt a california spec van but those parts are available. will it run on my motor?
thanks dudes

Re: Dodge ecu needed help! [Re: MAIN64] #744526
January 15th 2019 10:01 pm
January 15th 2019 10:01 pm
Joined: Apr 2010
Posts: 2,670
San Diego
W
wrcsixeight Offline
veteran
wrcsixeight  Offline
veteran
W
Joined: Apr 2010
Posts: 2,670
San Diego
I can;t say for sure, but generally California just requires stricter emissions standards.

I would guess it would have no issues running it, but it might air flow and spark timing might be slightly different for better emissions, which could mean less power/driveability.

My Acquirement of a rebuilt ECM (cardone) back in 2004 or 5 was al about them having mixed up the part numbers from an 4 sped OD and a 3 speed transmission, and my overdrive and lockup would not work.

Discovery of this issue required me taking apart the ECM and seeing the bottom circuit board a large number through the potting which corresponded to the 3 speed transmision version on the websites.

I kept my original failed ECM and plan at some point to replace all the capacitors.

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