Gauge cluster compatibility

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Jan 11, 2024 | 05:16 PM

#16

redroad

Lead Driver

Joined: Nov 2006

Posts: 5,217

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From: Pa.

The 18 pin connector means you have a instrument cluster with gauges not one with idiot lights.

Jan 11, 2024 | 05:29 PM

#17

74 Crew

Thread Starter

4wd High

Joined: Nov 2023

Posts: 9

Likes: 2

From: Oregon

That catalog you listed was pretty cool but it was not in there. And the eBay listing looks like the one I have and I need the shorter one.

Jan 11, 2024 | 05:38 PM

#18

Shiner1971

5th Wheeling

Joined: Nov 2022

Posts: 43

Likes: 2

From: Tennessee

Yup.

I had the same problem but the existing one I reconditioned and was too short
you can order just the backplate from LMC and switch components
It's not expensive at all

Jan 11, 2024 | 05:39 PM

#19

Shiner1971

5th Wheeling

Joined: Nov 2022

Posts: 43

Likes: 2

From: Tennessee

Same almost

Quote:

Originally Posted by Shiner1971

I had the same problem but the existing one I reconditioned and was too short
you can order just the backplate from LMC and switch components
It's not expensive at all, they were the only ones who had that option as well

..............
.....

Jan 11, 2024 | 06:02 PM

#20

redroad

Lead Driver

Joined: Nov 2006

Posts: 5,217

Likes: 506

From: Pa.

Page 2 Section 144 here. These are all the part #'s you'll need to find yours since you have the particulars.

Jan 11, 2024 | 06:08 PM

#21

scottscott

Fleet Mechanic

Joined: Dec 2007

Posts: 1,512

Likes: 340

From: Wildwood Pa

Here's a GM plug I have. Would it work for you? All the GM plugs I have measure the same. I don't have any spare Ford plugs, so no measurements on those.

Jan 11, 2024 | 06:30 PM

#22

Viper Pilot

Fleet Mechanic

Joined: Feb 2022

Posts: 1,377

Likes: 709

I bet that would do it. I’ll admit my measurements weren’t exactly precise. I just used a simple tape measure. I need to get me one of them fancy micrometers you cooler guys use.

Jan 11, 2024 | 07:47 PM

#23

redroad

Lead Driver

Joined: Nov 2006

Posts: 5,217

Likes: 506

From: Pa.

Quote:

Originally Posted by Viper Pilot

I bet that would do it. I’ll admit my measurements weren’t exactly precise. I just used a simple tape measure. I need to get me one of them fancy micrometers you cooler guys use.

Funny you should mention it.

Mahr makes really good machinist tools and so does Mitutoyo of course.
I picked these up last week. It's a buyer's market for quality machinist's tools right now. Shop carefully and some good bargains are to be found.

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Jan 11, 2024 | 08:47 PM

#24

redroad

Lead Driver

Joined: Nov 2006

Posts: 5,217

Likes: 506

From: Pa.

These are the two plugs one has 14 circuits and the other 18. I presume the 14 circuit plug is narrower or less wide.

Jan 12, 2024 | 09:03 AM

#25

74 Crew

Thread Starter

4wd High

Joined: Nov 2023

Posts: 9

Likes: 2

From: Oregon

Yes there is a 14 pin for clusters with out all 4 gauges and 18 pin are for clusters with all 4 gauges. Even in American Autowire wire harness instructions it shows a white 18 pin plug and how to wire it for 73-74 and a gray 18 pin plug and how to wire it for 75-79. There are 2 different 18 pin plugs.

Jan 12, 2024 | 02:29 PM

#26

redroad

Lead Driver

Joined: Nov 2006

Posts: 5,217

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From: Pa.

Quote:

Originally Posted by 74 Crew

There are not 2 different 18 pin plugs for your truck according to Ford there's just the 14 and 18 pin type 23 "Sleeve" or plug shell. You have the 18 pin which I think has been identified so that leaves the 14 pin "D3AZ- 14489-C" which I pointed to above and when that part # is put into your favorite search engine will give you multiple opportunities to purchase this evasive part.

Jan 12, 2024 | 05:13 PM

#27

scottscott

Fleet Mechanic

Joined: Dec 2007

Posts: 1,512

Likes: 340

From: Wildwood Pa

74 crew, if you think the GM plug I have pictured above will work for you, it is yours for the cost of shipping. Should be less than $7, with tracking.

The Mitutoyo caliper in the picture is one of two I bought at a car parts swap, a 12" & 24". The 24" is mint, the 12" is very good. I want to say I paid $20 or $30 for both. I usually resell that stuff, but these are so nice I kept them.