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78 Trailduster - wiring nightmare #2907223
04/06/21 11:32 AM
04/06/21 11:32 AM
Joined: Feb 2007
Posts: 615
High Plains of South Dakota
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olwhite64 Offline OP
mopar
olwhite64  Offline OP
mopar
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Joined: Feb 2007
Posts: 615
High Plains of South Dakota
Putting together a 78 Trailduster for a buddy of mine and the engine harness is a mess, along with a few bad/cut wires on the cab side of the bulkhead connector too. I've tried searching for a wiring diagram on here with no luck. Does anybody have a link or PDF of a 78 engine/bulkhead/harness that they'd be willing to either post or email me?

I'm in the home stretch with this thing but the wiring is really holding me up! HELP!

Thanks in advance...

Matt

Re: 78 Trailduster - wiring nightmare [Re: olwhite64] #2907228
04/06/21 11:43 AM
04/06/21 11:43 AM
Joined: Jan 2003
Posts: 32,882
Grand Prairie,Texas
stumpy Offline
I Win
stumpy  Offline
I Win

Joined: Jan 2003
Posts: 32,882
Grand Prairie,Texas

Re: 78 Trailduster - wiring nightmare [Re: stumpy] #2907284
04/06/21 12:53 PM
04/06/21 12:53 PM
Joined: Feb 2007
Posts: 615
High Plains of South Dakota
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olwhite64 Offline OP
mopar
olwhite64  Offline OP
mopar
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Joined: Feb 2007
Posts: 615
High Plains of South Dakota
If only he'd blown up the whole page...! Oh well.

The rest are of different makes/models.

Anybody else?

Re: 78 Trailduster - wiring nightmare [Re: olwhite64] #2907289
04/06/21 12:59 PM
04/06/21 12:59 PM
Joined: Jan 2003
Posts: 32,882
Grand Prairie,Texas
stumpy Offline
I Win
stumpy  Offline
I Win

Joined: Jan 2003
Posts: 32,882
Grand Prairie,Texas
Instead of just searching just here try an online search. "My mopar wiring diagrams" has a 1979 diagram under trucks that should be pretty close if not the same.

Re: 78 Trailduster - wiring nightmare [Re: olwhite64] #2907396
04/06/21 06:42 PM
04/06/21 06:42 PM
Joined: Jan 2011
Posts: 15,713
Central Florida
larrymopar360 Offline
Stud Muffin
larrymopar360  Offline
Stud Muffin

Joined: Jan 2011
Posts: 15,713
Central Florida
Originally Posted by olwhite64
If only he'd blown up the whole page...! Oh well.

The rest are of different makes/models.

Anybody else?
The '79 is different? I believe it is slightly different as you wrote. I ask because I have a FSM for '79.


Facts are stubborn things.
Re: 78 Trailduster - wiring nightmare [Re: larrymopar360] #2907425
04/06/21 07:49 PM
04/06/21 07:49 PM
Joined: Dec 2014
Posts: 5,710
ohio
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ruderunner Offline
master
ruderunner  Offline
master
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Joined: Dec 2014
Posts: 5,710
ohio
Go to Ramchargercentral.com. Look for member Dodgeboys and pm him or email him.


Angry white pureblood male
Re: 78 Trailduster - wiring nightmare [Re: ruderunner] #2908669
04/10/21 10:07 AM
04/10/21 10:07 AM
Joined: Jan 2021
Posts: 948
rust belt
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Moparite Offline
super stock
Moparite  Offline
super stock
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Joined: Jan 2021
Posts: 948
rust belt
If you can't find it on line get the factory service manual. Even then the stock set up will most likely have melted/heating up bulkhead connectors. Check out the link one of the most common problems is the amp gauge wiring.

http://www.madelectrical.com/electricaltech/amp-gauges.shtml

Re: 78 Trailduster - wiring nightmare [Re: Moparite] #2908688
04/10/21 10:51 AM
04/10/21 10:51 AM
Joined: Aug 2007
Posts: 1,819
Middle of A Field
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OrangeProwler Offline
top fuel
OrangeProwler  Offline
top fuel
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Joined: Aug 2007
Posts: 1,819
Middle of A Field
Maybe this site would help since the Ramcharger is the same platform.

https://ramchargercentral.com/vehicle-help/school-me-on-wiring-78-rc-column-wiring-(ignition)/







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