Instrument Cluster Swap
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From: Anchorage
Originally Posted by handyman43358
Tom, the reason why your diesel tach didn't work is because the diesel tach is set up for an 8 cylinder. You have a 6 cylinder. That's why it only read 20%.
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From: West Mansfield, Ohio
He had to have worked some magic. Seeing how these trucks didn't come with 6 cylinder diesels, a factory diesel tach wouldn't work with it. I could see getting a tach that was used with a 300-6 working with the Cummins. But any other way I don't think is possible...
Senior User
Joined: Jul 2002
Posts: 279
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From: Anchorage
Originally Posted by handyman43358
He had to have worked some magic. Seeing how these trucks didn't come with 6 cylinder diesels, a factory diesel tach wouldn't work with it. I could see getting a tach that was used with a 300-6 working with the Cummins. But any other way I don't think is possible...
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From: West Mansfield, Ohio
I don't think a gas tach from a 6 cylinder will work with an 8 cylinder or vice versa. The tach doesn't know what engine it's reading from. All it does is recieve pulses. I think it comes down to the theory that 6 cylinder tachs will work together, and 8 cylinder tachs will work together, reguardless of rather or not its gas or diesel.
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Joined: Jul 2002
Posts: 279
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From: Anchorage
Originally Posted by handyman43358
I don't think a gas tach from a 6 cylinder will work with an 8 cylinder or vice versa. The tach doesn't know what engine it's reading from. All it does is recieve pulses. I think it comes down to the theory that 6 cylinder tachs will work together, and 8 cylinder tachs will work together, reguardless of rather or not its gas or diesel.
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From: Central PA
Originally Posted by handyman43358
Tom, the reason why your diesel tach didn't work is because the diesel tach is set up for an 8 cylinder. You have a 6 cylinder. That's why it only read 20%.
lostin90s, read my original post first. You will see that he and I already have a gas tach. We both want diesel tachs.
lostin90s, read my original post first. You will see that he and I already have a gas tach. We both want diesel tachs.
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From: West Mansfield, Ohio
I appreciate your help. I got the cluster today and noticed right off the bat that the tach has 3 prongs vs the 4 on the gas tach. I emailed a buddy who had done this previously (and yes, he did get it to work) to see how he got his working. Mine will kick on, but when you fire it up, it will slowly just do a revolution until it points straight down. I'll keep ya'll posted...
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