Notices
1973 - 1979 F-100 & Larger F-Series Trucks Discuss the Dentsides Ford Truck
Sponsored by:
Sponsored by: Moser

Instrument cluster

Thread Tools
 
Search this Thread
 
Old Aug 24, 2022 | 10:26 PM
  #1  
black & blue 78/9's Avatar
black & blue 78/9
Thread Starter
|
Laughing Gas
Joined: Mar 2016
Posts: 757
Likes: 43
From: Cheyenne, Wy
Instrument cluster

79 broncoWhen I bought the bronco, the instrument cluster was gone. I know the wiring harness to the cluster is different between idiot lights and gauges. One of them has more wires than the other. How many wires in the cluster connector for each?

Gauges have XX number of wiresIdiot lights have XX number of wires

Thanks for the help. Chris
 
Reply
Old Aug 24, 2022 | 11:56 PM
  #2  
77&79F250's Avatar
77&79F250
Moderator & parts slinger
Veteran: Army
15 Year Member
Community Builder
Liked
Joined: Feb 2007
Posts: 50,262
Likes: 5,820
From: S/W Missouri, Polk county
Club FTE Gold Member
With and without gauges. Yes not the answer, but maybe some help to get you there?

w/o gauges


w/ gauges

With OUT gauges


 
Reply
Old Aug 25, 2022 | 11:09 AM
  #3  
1TonBasecamp's Avatar
1TonBasecamp
Lead Driver
5 Year Member
Photogenic
Photoriffic
Community Builder
Joined: Jul 2017
Posts: 9,612
Likes: 1,182
From: San Jose, CA
My guess is that all Broncos got the ammeter rather than the light.
But that’s just a complete guess off the top of my head so no proof except for checking wires.

You can also check the wires down near the alternator to see if the shunt wires are there.
Are they a red and a yellow wire I think? Don’t go by that though, look at the diagrams posted.
 
Reply
Old Aug 25, 2022 | 03:16 PM
  #4  
scottscott's Avatar
scottscott
Fleet Mechanic
15 Year Member
Liked
Loved
Community Favorite
Joined: Dec 2007
Posts: 1,512
Likes: 340
From: Wildwood Pa
The plug, truck end, for a cluster with gauges measures about 2 1/2". The plug for a warning light cluster is about 2" or so.

I have clusters with gauges if you are looking for one. Solid backs, not crumbling.
 
Reply
Old Sep 1, 2022 | 11:33 PM
  #5  
black & blue 78/9's Avatar
black & blue 78/9
Thread Starter
|
Laughing Gas
Joined: Mar 2016
Posts: 757
Likes: 43
From: Cheyenne, Wy
Thanks everyone for the input. I bought a instrument cluster from a 89 Econoline van. It has the gauges and the correct hole on the back for my wire harness.

The oil pressure registers, the temp gauge registers, the 4ways work, the dash lights work and dim. Even the Amp gauge moves. Before installing the cluster I checked all the outside lights and they work correctly. Turn signals flash correctly and bright. Same with brake lights.

So onto my question. When I pull the light switch out one click for the running lights/ dash lights, both the direction indicators on the dash light up also.. WHY? If I engage the turn signal ( left or right) the dash indicator for that direction goes out briefly so the dash light will blink correctly. When I turn the blinker off, the light will come on again. If the dash lights are "off" then the blinker light is off to. It will blink correctly with the dash lights off.

I hope this makes sense. Any ideas would be appreciated.

Thanks Chris.
 
Reply
Old Sep 1, 2022 | 11:57 PM
  #6  
1TonBasecamp's Avatar
1TonBasecamp
Lead Driver
5 Year Member
Photogenic
Photoriffic
Community Builder
Joined: Jul 2017
Posts: 9,612
Likes: 1,182
From: San Jose, CA
Very likely what you think are the dim filaments for your running lights are in fact your bright filaments.
at least that’s one possibility.

Usually if it’s just one it’s a bad ground for one of the lights. But since both do it it might be something else.
The indicator lamps work off of the front lights. So check there first. Look for bad grounds, reversed wires (both at the lamps and the switch itself), buggered or rusty sockets, bad bulbs, anything out of whack.
Just work up the line from the front lamps back.
 
Reply
Related Topics
Thread
Thread Starter
Forum
Replies
Last Post
dgreen78
1999 - 2016 Super Duty
0
Aug 11, 2019 01:37 AM
diamondjranch
1999 - 2016 Super Duty
2
Jul 9, 2013 02:37 AM
fordtruckguy07
1973 - 1979 F-100 & Larger F-Series Trucks
5
Mar 6, 2013 08:54 PM
Vin Man
Electrical Systems/Wiring
7
Nov 29, 2012 10:05 PM
Ole Green 1978
1973 - 1979 F-100 & Larger F-Series Trucks
5
Jan 23, 2012 09:37 PM




All times are GMT -5. The time now is 05:28 PM.

story-0
10 Ways Ford is LOSING to the Competition

Slideshow: 10 ways Ford is losing to the competition

By Joe Kucinski | 2026-06-15 09:52:01


VIEW MORE
story-1
Top 6 Best Deals Available on New Fords & Lincolns Right Now

Some great targets in today's expensive world.

By Brett Foote | 2026-06-15 09:35:19


VIEW MORE
story-2
This Hennessey Takes the Expedition Tremor's Off-Roading Capability to the Next Level

Slideshow: The VelociRaptor Expedition gains a lift, upgraded suspension, Brembo brakes, and trail-ready equipment while retaining the stock 440-horsepower EcoBoost V6.

By Verdad Gallardo | 2026-06-12 11:01:55


VIEW MORE
story-3
Top 10 Fords at 2026 Carlisle Ford Nationals

Slideshow: Top 10 Fords at 2026 Ford Nationals

By Joe Kucinski | 2026-06-09 11:10:08


VIEW MORE
story-4
3 Best / 3 Worst Parts of Modern Ford Ownership

Based on years of owning multiple modern Ford products.

By Brett Foote | 2026-06-09 10:53:36


VIEW MORE
story-5
10 Amazing Upgrades That Solve Common Ford Truck Owner Headaches

SPONSORED: From muddy boots to rain-soaked cargo, these upgrades address some of the most common frustrations Ford truck owners face every day.

By Pouria Savadkouei | 2026-06-08 18:50:34


VIEW MORE
story-6
Every 2026 Ford Engine Explained

Here's everything you need to know about every Ford engine available for the 2026 model year.

By Brett Foote | 2026-06-05 12:58:01


VIEW MORE
story-7
10 Ugly Ford Trucks That We Still Kinda Love

Slideshow: 10 ugly Ford trucks that we still kinda love.

By Joe Kucinski | 2026-06-03 09:51:16


VIEW MORE
story-8
10 Things Every Truck Owner NEEDS (2026 Edition)

Slideshow: the best gifts for dads & grads

By Michael S. Palmer | 2026-06-03 15:43:58


VIEW MORE
story-9
Rezvani's Latest Post-Apocalyptic Monster Is a Ford F-150 Raptor Underneath

Slideshow: Called the Fortress, the 850-horsepower pickup combines Raptor underpinnings with military-inspired features, survival equipment, and a starting price of $285,000.

By Verdad Gallardo | 2026-06-03 11:38:36


VIEW MORE