About at the point on the T-bucket to order gauges. Want to go with an electronic speedo and pulse generator at the trans.
Speedway offers generators for Ford and GM trans. As I recall, the 904 uses the same thread size and pitch as GM, but my memory has failed me before.
Can anyone confirm this for me?

Thanks.....Roger

I used an Autometer 5291 on my car and it was mopar/GM, fit perfectly...if going junkyard I think the mid-90's dakotas had a pulse generator like this as well for their speedos.

Great info - thanks!

Lou

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Home of Slant6-powered fun machines since 1988

What year is the 904?
Early units (cable type) have a small speedo gear opening.
DD

Thanks, but all I have are linkage trannys. Still good info for those with earlier cars, though.

Roger

HMMMMM! I still have a dead '95 Dak out in the driveway I haven't towed away, yet. I just might have to check that out.

Anybody know if the generator signals the speedo, or the ECU, which then drives the speedo? Wait!...I have a Haynes manual out in the garage....I'll check it out myself.

Thanks much for the guidance, DI.

Roger

Kudos for the Dakota lead actually go to Joshua Skinner!

Fair enough.....Thanks to him, too.

Roger

Keep present speedo pinion and adaptor unchanged. Buy GM p/n 25526374 for about $25 from gmpartsgiant.com; installs in line with speedo cable.

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