Member
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Join Date: Apr 2021
Location: Washington
Posts: 35
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Member
Join Date: Apr 2021
Location: Washington
Posts: 35
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I have used 3 clusters in my 86 with no problems and there is only really one thing to watch out for that I am aware of. Are you going from one with only a speedo, temp and gas to this one?
There are two types of oil pressure senders for the block, one that powers an idiot light and one that sends pressure. If you have the light only in your cluster now the sender on the block will fry the oil pressure gauge in the new cluster. The correct senders should still be available from Toyota and were pretty cheap a couple years ago. And as an FYI, you can switch individual gauges between clusters and it is pretty easy, I have done it a couple times to get one good cluster. I have had the oil pressure gauges read wildly different too, not sure if that is a result of age or if they weren't all that accurate from the factory.
To make the tach work in a 22r truck you can run a wire from the test port on the coil directly to the input for the tach on the cluster. I can't remember which one it is offhand but there are several good right ups if you google it. I think it is a small screw at the end of a track on the flexible circuit board with a P next to it.
To adjust the odometer you remove the speedo from the cluster first. Then remove the metal retainer bar on the back of the odometer, it is tight but will slide out one side or the other. You can then take your thumbs and roll the numbers. There will be quite a bit of resistance and it clicks between numbers but I have done it a couple times with no breakage, just go slow and be careful. I only adjust the first 2 or 3 digits to get it close, I have switched tires and gears enough that it probably isn't all that accurate anyway and these are old trucks so I am not too concerned. Again, there are a few good write-ups if you google this.
There may be a potentiometer for adjusting the tach, but that might only be on V6 trucks, can't remember right now.
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