plug it in ? - Ford Powerstroke Diesel Forum

7.3L IDI (Non-Powerstroke) Diesels Technical discussion of topics related to vehicles powered by the 7.3 Liter In-Direct Injection Navistar engines.

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post #1 of 12 Old 01-29-2008, 02:20 PM Thread Starter
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Question plug it in ?

when i asked about the white smoke a few of you mentioned that i should make sure to plug the truck into an ac socket when it was cold, i found a male plug under the hood last winter & i pluged it in, nothing happened, so i don't do it anymore. the question is what is it? how does it work? how can i tell if it's working or not? thanks
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post #2 of 12 Old 01-29-2008, 02:24 PM
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the cord is attached to a block heater. it keeps your engine warm. usually takes about two hours to have any noticeable affect.

if you see a light at the end of the tunnel, it's probably just a photon torpedo
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post #3 of 12 Old 01-31-2008, 01:39 PM
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After having it plugged in for more than a couple of hours, you should be able to put your ear down by the drivers side tire/wheel well and hear a slight boiling sound. Plus the engine will crank over soooo much easier.

Derek
94 F-350 IDI DRW 4x4 Dump Truck
Now where's that fuel pump screw...
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post #4 of 12 Old 01-31-2008, 05:20 PM
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Follow that cord back and make sure it goes to the pass. side of the block and is plugged in there, connection could be loose or cord might be cut some where, it will make all the diff. in the world in cold weather.

Fletcher
'90 F250 Supercab IDI 7.3
Banks Sidewinder Turbo
4'' straight pipe
116,000 miles

'94 F250 single cab IDI Factory Turbo 7.3
3'' banks down pipe
Banks pyrometer
3 1/2'' straight pipe
K&N Air filter
Hypermax air intake
Hydrogen Generator
Pump turned up
Timing advanced
315,000 miles!



'89 F250 4x4 supercab 7.3 IDI
4'' exhaust
pump turned way up!!!
297,000 miles
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post #5 of 12 Old 02-01-2008, 04:00 PM Thread Starter
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I traced the cord back & found a red 3 prong plug that was attached to nothing, just hanging in the air. This truck has a rebuilt engine & i assume that the PO decided not to attact heater to new engine, I could see the 4 shinny freeze plugs, now the truck won't start at all, it was 60 degrees here today I charged both batteries & cranked it several times all i got was white smoke out of the exhaust. is it possible that i burnt up one or more glow plugs? where are the plugs & what do they look like, are they hard to change. I spent a couple hours on the net trying to find motorcraft glow plugs without any sucess, dealer wants $25 each
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post #6 of 12 Old 02-02-2008, 06:33 AM
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Quote:
Originally Posted by MSC View Post
I traced the cord back & found a red 3 prong plug that was attached to nothing, just hanging in the air. This truck has a rebuilt engine & i assume that the PO decided not to attact heater to new engine, I could see the 4 shinny freeze plugs, now the truck won't start at all, it was 60 degrees here today I charged both batteries & cranked it several times all i got was white smoke out of the exhaust. is it possible that i burnt up one or more glow plugs? where are the plugs & what do they look like, are they hard to change. I spent a couple hours on the net trying to find motorcraft glow plugs without any sucess, dealer wants $25 each
Too bad there is not a heater, are you sure there is not a place to plug it in toward the cab? Go on E-bay and there are some super good Glow-plugs that glow way hotter and a don't cool off as fast and they are more like $10, maybe less. I would for sure get them if you don't have a heater. They are next to the injectors on top of the engine, unplug them and then get a deep socket to take them out( I can't remember the size). Good luck!

Fletcher
'90 F250 Supercab IDI 7.3
Banks Sidewinder Turbo
4'' straight pipe
116,000 miles

'94 F250 single cab IDI Factory Turbo 7.3
3'' banks down pipe
Banks pyrometer
3 1/2'' straight pipe
K&N Air filter
Hypermax air intake
Hydrogen Generator
Pump turned up
Timing advanced
315,000 miles!



'89 F250 4x4 supercab 7.3 IDI
4'' exhaust
pump turned way up!!!
297,000 miles
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post #7 of 12 Old 02-02-2008, 06:57 AM
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Napa also sells a heater that is spliced into the lower radiator hose. I have used them b4 and they work ok...never tried one on a diesel tho. Napa also sells the type that replaces the freeze plug for about $40. I bet once you get the GPs straightened out it'll start just fine. My 94 IDI starts just fine w/out being plugged in down to zero deg. The GPs are on top of the intake, just to the inside of the valve covers. Use a 10mm deep socket 1/4 drive with a few different extensions and maybe a U-joint. When you put the new ones in, be sure and add a bit of anti-seize to the threads b4 you install them. Haynes has an excellent service manual for these trucks.
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post #8 of 12 Old 02-02-2008, 03:05 PM
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Originally Posted by Bamfster View Post
Napa also sells a heater that is spliced into the lower radiator hose. I have used them b4 and they work ok...never tried one on a diesel tho. Napa also sells the type that replaces the freeze plug for about $40. I bet once you get the GPs straightened out it'll start just fine. My 94 IDI starts just fine w/out being plugged in down to zero deg. The GPs are on top of the intake, just to the inside of the valve covers. Use a 10mm deep socket 1/4 drive with a few different extensions and maybe a U-joint. When you put the new ones in, be sure and add a bit of anti-seize to the threads b4 you install them. Haynes has an excellent service manual for these trucks.
Good advice!!!!!!!

Fletcher
'90 F250 Supercab IDI 7.3
Banks Sidewinder Turbo
4'' straight pipe
116,000 miles

'94 F250 single cab IDI Factory Turbo 7.3
3'' banks down pipe
Banks pyrometer
3 1/2'' straight pipe
K&N Air filter
Hypermax air intake
Hydrogen Generator
Pump turned up
Timing advanced
315,000 miles!



'89 F250 4x4 supercab 7.3 IDI
4'' exhaust
pump turned way up!!!
297,000 miles
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post #9 of 12 Old 02-02-2008, 03:12 PM
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or an magnetic oilpan heater isnt that much either

2oo6 f350
6" procomp lift, Dual steering stabilizer
predator zoodad
accufab elbow, duals no cat or muffler
airaid intake, 17" motometals 35" toyo m/t's
alpine iva w205 deck, SCT xcal2
carriage works billet grill ,rodadeaco positive air shutdown
300 amp lincoln welder in the back
harley headlights in the box
fox 2.0 piggyback shocks in the box

2003 Dodge 3500 5.9 cummins
AEM intake, dual mitre cut stacks, Edge EZ , Smarty programmer, Webasto heater
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post #10 of 12 Old 02-04-2008, 04:47 AM Thread Starter
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I considered the magnatic heater but i wondered wether the magnet would be strong enough to hold it on always, i wouldn,t want to put it on & off everyday
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