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If you read carefully, you'll realize Doghead is being funny... I don't think you can do this on a TH400. The only transmissions I know this works on are old Chrysler Torqueflights with the oil pump on the output shaft. Then the transmission is making pressure which will spin the torque...

The DUVAC does not use the Chevy wiring for the alternators, and the lights are only required on GM style alternators, so they don't work in the M1010

They are the heaviest spring available for the 1984 K5. Civvie equivalent is with the highest towing capacity and the snowplow package.

I think he's talking about the reducer box between the transmission gear and speedo cable dying. I'd say the cable is binding, but rather than replace the box again, I'd ditch it and get the proper transmission gears and replace them. That box is only so the military needed to carry only one...

The hub itself probably doesn't need to be replaced since it's just a big chunk of iron that holds the bearings. They're quite spendy and don't wear so I wouldn't bother with that expense. The lockouts are probably ok if they work, just give them a good cleaning. You've nailed everything on...

I agree, definitely buy it back for the parts.

Not completely true. His insurance company owes you a 'like replacement' of your vehicle. That means similar condition, mileage, and options list, or a check for the value of same. They cannot give you just any 1984 Blazer, or 'Blue Book' value for one. This is why I always recommend that...

Tug on the fusible links. If they burned, they'll pull apart with a small tug. A good one won't. Later, Joe

Overthinking it. The ECM controls the governor attached to the throttle. No electronic controls of the engine directly. I have the TMs for the 1031 SECM. PM me with your email and I'll send them to you. Later, Joe

Ok, since there's a lot of chatter here, I'll give you my reasoning and it doesn't matter how old the batteries are. If your voltage is 24 at the GPR with it open, then you are getting proper voltage from the batteries. If your voltage is 12 at the glow plugs with the GPR closed, the resistor...

Try two known good batteries, or take yours to an auto parts/battery store and have them tested. I'll bet yours are trash. Later, Joe

Ok, you're chasing a problem that might be a problem, might not. Have you checked the cold advance on the pump, and the temp sensor for the cold advance on the passenger cylinder head? If those aren't working, you're going to be making blue/black smoke and poor idle until it gets some heat...

Thanks for the info. Can we get more pics? Pics of the mounts too? Looks like it fits REALLY well. Oh, and measurements. Thanks, Joe

Just ask for a dimmer switch for a 1985 Chevy Blazer at any parts store. Later, Joe

What center console is that? Where'd you get it? Inquiring minds MUST know... Later, Joe

Sounds like the circuit breaker in the headlight switch failed. Common problem. Grab another from any parts store. If that doesn't work, check the dimmer switch on the column. Might want to click it a couple of times first and see if it stuck between modes. Later, Joe

Yes, check your tank return, but I'll bet your tank select switch is either gummed up between positions or plugged. Try bypassing it with a piece of hose as a temp fix.

The starter relay was not necessary on civilian trucks because it is only there to isolate the 24V solenoid from the 12V system. You can bypass it completely on a 12V conversion by connecting the lead from the key to the lead to the starter (Purple and purple/white IIRC)

The entire assembly, the fittings point a different direction. The actual hoses are different too I think, it's just the end that bolts to the bed that's the same (I think). Again, pull the left and right fillers off the gas truck and see if they're the same. If they are, then you can use the...

My 1985 Chevy dealer parts manual shows only two part numbers for the tanks, a 16 gal and a 20 gal. No separate part number for left and right or gas and diesel. The only thing that's different is the fuel level sensor. These are gas and diesel in addition to side specific. I am trying to...