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New dash harness
#1
Good late morning everyone,

I recently installeda cpiple things, an under hood harness, under dash harness, a tach/speedo cluster and the gauges that go into the center trim panel.

So now my dash lights won't turn on and my turn signals don't work either. (the light for the gear selector works) & I installed a new headlight switch))

All the dash lights came on for a minute, very dim, now nothing. Not sure if it's the new 3 gauge cluster works or if there's a kink in the wiring!

I need your alls help, I hate electrical stuff and cant figure this out!!



ANY help would be much appreciated.

-MF

Take a chance while you still got the choice. -Bon Scott
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#2
It's interesting that the light for the gear selector works. I believe it is also fed by the light blue/red striped wire.

'Mike'
73 Convertible - 351C/4V CC heads/4bolt/forged flat tops/comp 270/rhodes/mallory unilite/tri-power/hookers/glasspacks/c6/3.50 limited slip/Gear Vendors/Global West sub frames, strut rods and shelby style traction bars/ Rear sway bar/tilt steering (not original)

Pics of modifications included in:
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#3
Make sure your headlight switch is pulled out and rotate it through its range. Read the voltage on both taps of the smallest fuse on the fuse box: one side is from the headlight switch (it should range from 0 -12V as you rate the switch) and the other side should read the same.

My guess is that your headlight switch is bad (OMG! How can that be? Well, new switches out of the box are often bad).

Let me check your shorts!
http://midlifeharness.com

[Image: Flamicon2.jpg]


[Image: oldfart.png]
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#4
Are both ground wires to the headlights properly screwed?
Clean the copper connector/pins to dash cluster print board and try a new flasher relay.
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#5
So I forgot to check the fuse, it was blown! I replaced it and it worked for maybe three minutes. So apparently I have a short somewhere... great, ugh..

The lights are still very dim. The A/C controls aren't as dim as all the gauges though.

Any thoughts on that?!!

Take a chance while you still got the choice. -Bon Scott
  Reply
#6
The instrument panel lights are notorious for being dim on our 71/73's. Check out this thread and there are some others on the topic also:

http://www.7173mustangs.com/thread-fix-f...hlight=dim



Mike AKA Ole Pony & Rare Pony

Our current Mustang garage/driveway
1973 Mustang Convert - Bought in 1974 - Still have it!
2004 Mach 1 Oxford White Auto, Bought Sept 06


[Image: 20180127_082009.jpg]

upload a photo on internet




  Reply
#7
Eddy, that's a great picture of the cluster. Did you put that together?

'Mike'
73 Convertible - 351C/4V CC heads/4bolt/forged flat tops/comp 270/rhodes/mallory unilite/tri-power/hookers/glasspacks/c6/3.50 limited slip/Gear Vendors/Global West sub frames, strut rods and shelby style traction bars/ Rear sway bar/tilt steering (not original)

Pics of modifications included in:
  Reply
#8
NO, i do not make that nice picture.
But it can help someone ...
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