1st Gen. Ram - All Topics Discussion for all Dodge Rams prior to 1994. This includes engine, drivetrain and non-drivetrain discussions. Anything prior to 1994 should go in here.

THREAD SIZE of FUEL SOLENOID ???

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Old May 8, 2009 | 09:58 PM
  #46  
SeanB23's Avatar
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From: AUSTIN, TEXAS !
Originally Posted by SeanB23
I hooked up the blue one to the solenoid this morning, as well as the one I ran from the battery to the switch. Tan wire was just hanging there. Blue wire to KSB.

Remember, the solenoid wasn't getting power before I did all this.

And...tons of white smoke everywhere/ running rough when starting cold.

Took a closer look, the temp sensor switch (closest switch on top of head to cab of truck ?) has a blue wire and a tan wire going to it.

I'm guessing the blue wire from this switch goes to KSB, the tan to solenoid.

Then why would both the blue and tan wires be hooked up to solenoid before I did all this ?

And why, before I built the new switch, with both wires off of solenoid, would unhooking blue wire from KSB produce the white smoke the other day, and hooking blue back to KSB (with both wires off solenoid) stop white smoke ?

Perhaps I should start my own thread here, this is getting complex, I don't want to hijack the "thread size of fuel solenoid" thread.
Yunno, why work hard when you can work smart ? (and cheap.)

I'm just gonna bypass the entire temp switch and it's attendant wiring from the solenoid and KSB with the shorts in it. The whole harness is nasty and old, this would probably explain the weird wiring issues and the battery drain I've been experiencing when the truck is off. The KSB must either be hot wired or the wiring is worn through some where in there.

I'll just put a switch on the dash for the KSB, run the wire to it off the shut off solenoid. Turn it on when starting or cold out, turn it off when engine is warmed up a little.
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Old May 8, 2009 | 10:15 PM
  #47  
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From: KENTUCKY
Why not route those switch-wires through the temperature-sensor.

You can still have manual control over it with the switch, yet the sensor still do it's job.
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Old May 9, 2009 | 07:08 AM
  #48  
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From: Colorado
My shutdown solenoid and temp sensors were replaced with plugs long ago. That whole system is a total kludge - more trouble than it's worth.
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Old May 11, 2009 | 01:16 AM
  #49  
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From: AUSTIN, TEXAS !
Ha ha ha. What luck. Those switches I had rigged up for the solenoid and the KSB were working perfectly.

I was just pulling up to my house a little while ago, when smoke from an electrical fire started pouring everywhere from under the dash and under the hood as the engine died.

Well.

At least I didn't drive it to the woods today with my friend for some target practice, electing instead to take his Jeep. That would have been interesting.

So....time to look for a flashlight I guess.
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