no spedo, no dome lights, hard shifts - Ford Bronco Forum
 
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post #1 of 11 (permalink) Old 11-28-2012, 02:38 PM Thread Starter
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Bronco Info: 93 Bronco 351w, reman. E4OD trans
no spedo, no dome lights, hard shifts

I drive a 93 bronco 5.8l E4OD. Recently the odometer, speedometer, radio, and dome lights have gone out. The bronco also started to shift at crazy points and sometimes not unroll 3k rpm. the headlights work, the abs light isn't on and the overdrive override seemingly still works. I checked the small fuse panel and none were blown. I have no idea what to look for now. Anyone has had this issue or know's about it, any help would be greatly appreciated.
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post #2 of 11 (permalink) Old 11-28-2012, 03:33 PM
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Bronco Info: 1992 xlt, 351EFI, .040, E4OD, D44 SAS w/Trutrac,Detroit locked 8.8, MAF conv, Tweeced
You're sure those fuses are ok? pay particular attention to 8, 11 and 18 in your small fuse panel.
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post #3 of 11 (permalink) Old 11-29-2012, 11:15 AM
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Bronco Info: '83 VIN & title on '93 frame/body w/'95 4.9L & EB paint
This album contains several TSBs about wiring that can interfere with the PSOM:

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post #4 of 11 (permalink) Old 11-29-2012, 01:46 PM
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Very similar problem was a fuse on my dads 93 f150. Can't say it's exact because his was a 5spd.

79 Bronco 6" lift, mild 460, and 3/4 tons----Sold
94 F150 4x4 302 zf5spd swap----run about
97 F350 Crew Cab 4x4 6" lift and 35" muds---work beast
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post #5 of 11 (permalink) Old 12-04-2012, 11:05 AM Thread Starter
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Bronco Info: 93 Bronco 351w, reman. E4OD trans
I double checked all of my fuses, and replaced the speed sensor on the rear diff. No fuses are blown and the speed sensor didn't change anything. Any other ideas? Possibly a second fuse box? Thank for the help I am working 90hrs a week right now and don't have time to take everything apart.
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post #6 of 11 (permalink) Old 12-05-2012, 02:21 PM
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Quote:
Originally Posted by Micahdo View Post
...replaced the speed sensor on the rear diff.
WHY? Put the original back.
Quote:
Originally Posted by Micahdo View Post
...the speed sensor didn't change anything.
Of course not - that's like changing the knob because your headlights don't come on.
Quote:
Originally Posted by Micahdo View Post
Any other ideas?
That wasn't an idea from us - that was something YOU randomly chose to do. Did you take ANY of our suggestions?
Quote:
Originally Posted by Micahdo View Post
Possibly a second fuse box?
Have you looked in your owner's manual? Yes, there are 2 fuse boxes on '92-up trucks.

Quote:
Originally Posted by Micahdo View Post
I am working 90hrs a week right now and don't have time to take everything apart.
Then DON'T. We're trying to help you, and you seem to be following your own path.

What exactly does this mean?
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Originally Posted by Micahdo View Post
Recently the odometer, speedometer, radio, and dome lights have gone out.
How recently? What else happened around that time, or just before? Does the odometer show NOTHING, or does it just not count? Is the radio display on, but no sound from the speakers, vice versa, or nothing at all? Is it only the dome lights, the dome & map lights, all the interior courtesy lights, or also the hood lamp?
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post #7 of 11 (permalink) Old 12-05-2012, 03:28 PM Thread Starter
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Bronco Info: 93 Bronco 351w, reman. E4OD trans
Geez Steve... The problem started a week ago. I started my truck to go to work and noticed that the spedo and odo didn't come on, I had to drive it to work which is when I noticed the hard shifts, I didn't notice the lights out radio then. I called the trans shop that did my overhaul a month ago They said they would check it out. They replaced the sensor thinking that was the issue given the symptoms I knew at the time. When they gave my truck back I noticed that all the courtesy lights and the radio were out. They don't seem to have any power to them. The hood light never worked. The truck worked perfectly the night before. I didn't do anything new to it, just parked out and went inside. My truck didn't come with a manual, I didn't mean take EVERYTHING apart literally. Cluster gauge lights up. Odo stays blank and the speed needle stays at the stop under 0. Thanks for the help gentlemen.
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post #8 of 11 (permalink) Old 12-06-2012, 01:17 AM
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Do all the other gauges work?

79 Bronco 6" lift, mild 460, and 3/4 tons----Sold
94 F150 4x4 302 zf5spd swap----run about
97 F350 Crew Cab 4x4 6" lift and 35" muds---work beast
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post #9 of 11 (permalink) Old 12-06-2012, 09:25 AM Thread Starter
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Bronco Info: 93 Bronco 351w, reman. E4OD trans
The gas gauge is out, but it hasn't worked since I've had the truck. Everything else is working.
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post #10 of 11 (permalink) Old 12-06-2012, 10:35 AM
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Quote:
Originally Posted by Micahdo View Post
Geez Steve...
Geez Micahdo...
Quote:
Originally Posted by Micahdo View Post
I ... replaced the speed sensor on the rear diff.
Quote:
Originally Posted by Micahdo View Post
They replaced the sensor...
We're not mind readers - we can only read what you post. And contradicting yourself only causes confusion & wasted time. The more precise, specific, accurate, & complete the information YOU provide is, the better our suggestions will be.
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When they gave my truck back I noticed that all the courtesy lights and the radio were out.
Have you taken it back to them for THAT? They may say it's not their fault, but give them the chance to say so. They may NOT say that, and fix it free.
Quote:
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My truck didn't come with a manual...
Last I checked, they didn't offer online manuals that old, but get the oldest one you can:
https://www.fleet.ford.com/maintenan...ls/default.asp

Then print this & keep it in your glove box:



The PDB is under the hood, near the L hinge.
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post #11 of 11 (permalink) Old 12-06-2012, 11:41 AM
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Bronco Info: 1993 Bronco XLT, 302, e4OD, 147k, no mods 1983 F100, 300, 3-speed 80k
Quote:
Originally Posted by Micahdo View Post
I drive a 93 bronco 5.8l E4OD. Recently the odometer, speedometer, radio, and dome lights have gone out. The bronco also started to shift at crazy points and sometimes not unroll 3k rpm. the headlights work, the abs light isn't on and the overdrive override seemingly still works. I checked the small fuse panel and none were blown. I have no idea what to look for now. Anyone has had this issue or know's about it, any help would be greatly appreciated.
Thats the second fuse at the top most left of the fuse block. Im not sure what number it is, but i believe its 15A. It's most definitely this fuse/wiring. It controls speedo and speedometer memory, interior lights, and a variety of other things. Without the Speedometer memory, the tranny shifts hard, because it no longer knows exactly when to switch. I know this from experience on my 93.

1993 Bronco XLT, 302, 147k miles
31" x 10.5" Firestone Destination A/T

1983 F100, 300 "BIG SIX", 80k miles
Magnaflow Glasspack, Hiflow cat, LED interior lighting, 1600W sound system
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