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78 power wagon, no fuel gauge, no turn signals.... #2543765
08/31/18 10:37 AM
08/31/18 10:37 AM
Joined: Mar 2007
Posts: 12,008
Finally a HUSKER again
Moparnut426 Offline OP
I Live Here
Moparnut426  Offline OP
I Live Here

Joined: Mar 2007
Posts: 12,008
Finally a HUSKER again
I think I know the answer, but I wanted to check


The gauges are dead, and to turn signals also and last time I remember the relay in the dash is he culprit. This truck it will come and go though.

Totally random ill get the gauge back then things work. Am I thinking correctly?


Last edited by Moparnut426; 08/31/18 10:37 AM.
Re: 78 power wagon, no fuel gauge, no turn signals.... [Re: Moparnut426] #2543803
08/31/18 12:04 PM
08/31/18 12:04 PM
Joined: Dec 2009
Posts: 20,627
in a cattle trailer down by th...
G
Guitar Jones Offline
Paddle faster! I hear banjo music!
Guitar Jones  Offline
Paddle faster! I hear banjo music!
G

Joined: Dec 2009
Posts: 20,627
in a cattle trailer down by th...
I'm looking at a 77 electrical schematic and I don't know what relay you are talking about, I don't see one. If you mean the little voltage regulator that only looks to affect the fuel, temp and oil pressure gauges. I don't see where there is any connection to it and the turn signals.


"Follow me the wise man said, but he walked behind"


'92 D250 Club Cab CTD, 47RH conversion, pump tweaks, injectors, rear disc and hydroboost conversion.
'74 W200 Crew Cab 360, NV4500, D44, D60 and NP205 divorced transfer case. Rear disc and hydroboost coming soon!
2019 1500 Long Horn Crew Cab 4WD, 5.7 Hemi.
Re: 78 power wagon, no fuel gauge, no turn signals.... [Re: Moparnut426] #2543921
08/31/18 05:08 PM
08/31/18 05:08 PM
Joined: Jan 2003
Posts: 2,094
central texas
K
krautrock Offline
top fuel
krautrock  Offline
top fuel
K

Joined: Jan 2003
Posts: 2,094
central texas
^ yeah
gauges in my truck don't work (it has mechanical ones added), pretty sure the voltage reg is the problem.
my turn signals still work...

Re: 78 power wagon, no fuel gauge, no turn signals.... [Re: Moparnut426] #2543933
08/31/18 06:00 PM
08/31/18 06:00 PM
Joined: Jan 2011
Posts: 15,823
Central Florida
larrymopar360 Offline
Stud Muffin
larrymopar360  Offline
Stud Muffin

Joined: Jan 2011
Posts: 15,823
Central Florida
I wonder if your turn signal indicators being inop are merely a coincidence? Those go out a lot on older Mopars because of the sockets or the circuit boards and a poor contact between the two.


Facts are stubborn things.
Re: 78 power wagon, no fuel gauge, no turn signals.... [Re: larrymopar360] #2543935
08/31/18 06:06 PM
08/31/18 06:06 PM
Joined: Jan 2011
Posts: 15,823
Central Florida
larrymopar360 Offline
Stud Muffin
larrymopar360  Offline
Stud Muffin

Joined: Jan 2011
Posts: 15,823
Central Florida
You're talking about this I guess. Part #3592899

gaugeVL.jpg

Facts are stubborn things.
Re: 78 power wagon, no fuel gauge, no turn signals.... [Re: larrymopar360] #2543936
08/31/18 06:10 PM
08/31/18 06:10 PM
Joined: Jan 2011
Posts: 15,823
Central Florida
larrymopar360 Offline
Stud Muffin
larrymopar360  Offline
Stud Muffin

Joined: Jan 2011
Posts: 15,823
Central Florida
This may be a more accurate pic

Mopar3592899.jpg

Facts are stubborn things.
Re: 78 power wagon, no fuel gauge, no turn signals.... [Re: Moparnut426] #2544346
09/01/18 06:13 PM
09/01/18 06:13 PM
Joined: Aug 2003
Posts: 1,014
Midwestern Indiana
duster2 Offline
super stock
duster2  Offline
super stock

Joined: Aug 2003
Posts: 1,014
Midwestern Indiana
I have about the same thing , with my 76 Trailduster. I was wondering it had something to do with the steering column wiring harness , turn signal and such.

Frank

Re: 78 power wagon, no fuel gauge, no turn signals.... [Re: duster2] #2544351
09/01/18 06:26 PM
09/01/18 06:26 PM
Joined: Jan 2011
Posts: 15,823
Central Florida
larrymopar360 Offline
Stud Muffin
larrymopar360  Offline
Stud Muffin

Joined: Jan 2011
Posts: 15,823
Central Florida
Originally Posted By duster2
I have about the same thing , with my 76 Trailduster. I was wondering it had something to do with the steering column wiring harness , turn signal and such.

Frank
No because that wiring wouldn't effect gauges. Or do you mean JUST your turn signal indicators? If just signal indicators, I'd bet just your bulb sockets/circuit board connection or bulbs themselves.


Facts are stubborn things.
Re: 78 power wagon, no fuel gauge, no turn signals.... [Re: Moparnut426] #2544515
09/02/18 08:35 AM
09/02/18 08:35 AM
Joined: Aug 2003
Posts: 1,014
Midwestern Indiana
duster2 Offline
super stock
duster2  Offline
super stock

Joined: Aug 2003
Posts: 1,014
Midwestern Indiana
Turn signals , gas gauge and seems like some other things not working. The Trailduster is not running at this time , or I would check it more closely. ( it has fuel line and carb problems from sitting a while )

Frank







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