This is for Trucks at least up to 94 models. it could go even farther.
I found a littletidbit of info:
A TSB with all the codes for all three speedo types is posted here
1983 Ford Bronco TSBs & FSAs (Recalls) for '83-96 Broncos & F150s picture | SuperMotors.net
(From the TSB)
1. Determine which type speedometer/odometer is being installed. The following procedure applies for both "stand-alone" and gauge "cluster" type speedometer/odometer units. (Replacement units are either the 12-switch Beede or the 10-switch Ametek type. The 10-switch Beede has been discontinued for service.)
2. If the unit to be calibrated is a 10-switch type, determine if it is an Ametek or a Beede by looking at the type of electrical connection on the back. The Beede has four (4) "studs", while the Ametek has a single plug-in type connector. If a 10-switch Beede is replaced with a 10-switch Ametek, a simple electrical jumper wire will be included with the new speedometer.
3. There are three speedometer setting charts: Ametek 10-position, Figure 1; Beede 12-position, Figures 2-5; and Beede 10-position; Figure 6.
Them there is this PDF From hanebeede:
http://www.haneline.com/hanebeedeinstruct.pdf
Look at pages 9 and 10 for speedo settings.
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