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Cadillac Valve & TDM Keeps Burning Out

H

Hummer Guy

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This is going to be my 3rd cadillac valve & TDM, I've had them burn out twice, my first one lasted around 3 weeks after I installed my aluminum radiator and the 2nd one lasted a month, does anyone know what amps the cadillac valve & TDM put out? I would like to put a fuse or circuit breaker in between the two.
 
C

Coug

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only reasons I could see for them to burn up/fail like that is if there is a wiring issue somewhere, or if you're buying cheap chinese made crap.

What voltage are you seeing on the wires going into the TDM?

I find it unlikely but any chance you damaged any wires when you were installing the radiator?
 
Mogman

Mogman

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Those things are pretty much bullet proof, as Coug eluded to are you sure you are buying the genuine article, there are tons of aftermarket stuff that look pretty dang real.
The only other obvious thing would be if your alt. was grossly overcharging, but I'm sure you would notice if it was that bad.
 
H

Hummer Guy

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Coug said:
only reasons I could see for them to burn up/fail like that is if there is a wiring issue somewhere, or if you're buying cheap chinese made crap.

What voltage are you seeing on the wires going into the TDM?

I find it unlikely but any chance you damaged any wires when you were installing the radiator?
Click to expand...
Haven't check the voltage in a long time, if I remember, it had no voltage going to it, its been about 2 or 3 months since this one burnt out, I'm just starting to address it again since cold weather is coming
 
H

Hummer Guy

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Mogman said:
Those things are pretty much bullet proof, as Coug eluded to are you sure you are buying the genuine article, there are tons of aftermarket stuff that look pretty dang real.
The only other obvious thing would be if your alt. was grossly overcharging, but I'm sure you would notice if it was that bad.
Click to expand...
 
H

Hummer Guy

Well-known member
843
807
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United States Louisiana
Mogman said:
Those things are pretty much bullet proof, as Coug eluded to are you sure you are buying the genuine article, there are tons of aftermarket stuff that look pretty dang real.
The only other obvious thing would be if your alt. was grossly overcharging, but I'm sure you would notice if it was that bad.
Click to expand...
The ones I get come from black dogs custom, they seem to be pretty good quality, my alternator charges between 28-29 volts
 
TOBASH

TOBASH

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My concern is water fording.

Anyone here convert to an electric fan clutch activating system?
 
Retiredwarhorses

Retiredwarhorses

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TOBASH said:
My concern is water fording.

Anyone here convert to an electric fan clutch activating system?
Click to expand...
all Vehicles have a fan blade, all off road vehicles go in water, there is a proper way to Ford a water crossing, and it’s not
what you see on the internet when you drive through a deep puddle at 20mph like an idiot.
 
TOBASH

TOBASH

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Retiredwarhorses said:
all Vehicles have a fan blade, all off road vehicles go in water, there is a proper way to Ford a water crossing, and it’s not
what you see on the internet when you drive through a deep puddle at 20mph like an idiot.
Click to expand...
True Steve, but I don’t behave like that. I’m interested in an electric fan clutch. Do you know of any?
 
H

Hummer Guy

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TOBASH said:
My concern is water fording.

Anyone here convert to an electric fan clutch activating system?
Click to expand...
This was slightly my plan; I was going to use dual fans to turn on at 180-190 Degrees, but I was going to keep the regular hydraulic fan connected to be a backup for when the electric fans can't keep up or if they fail. The fan I have is 2215CFM for each one, so in total its 4430 CFM, from researching, the humvee original fan pulls about double that.
 
Retiredwarhorses

Retiredwarhorses

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Hummer Guy said:
This was slightly my plan; I was going to use dual fans to turn on at 180-190 Degrees, but I was going to keep the regular hydraulic fan connected to be a backup for when the electric fans can't keep up or if they fail. The fan I have is 2215CFM for each one, so in total its 4430 CFM, from researching, the humvee original fan pulls about double that.
Click to expand...
stay away from electric fans…it’s been proven for 20yrs they do not work on this truck.
I lost count on the number of trucks I’ve removed these stupid cooling fans guys stick on the radiator stack, they block airflow, the best fan is the OEM fan.
 
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