glow plugs

[Bigfootpsd96]

i need to ohm out the glow plugs in my truck. would someone mind hooking my up with the resistance ranges and what pins on the connectors i need to connect to.
brandon

 

[Mike]

Resistance ranges are from .2 to 2 with the lower being better. I think you are better off ohming at the GP itself so you take the resistance of the harness out of the equation. VC's are very easy to pull.

 

[Bigfootpsd96]

yeah they arent bad......i was just trying to not take them off if i didnt have too....cus i know rotunda has the special adapter that u can just plug in and check the resistance. but i think if im gonna pull the vc's then im just gonna repalce them all. thanx stroker

 

[geonc]

here's a pic......
reqasonable limits are .1 to 6 ohms using a DVM...if reading above 6 ohms or "OL" -open line- best to reove V/C and test both UVC harness and GP's.

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Auto Zone has the Mototcraft/Beru{the ONLY ones to use } # ZD10 for about $10 each.


Hope this helps....

GEO

 

[hheynow]

Auto Zone has the Mototcraft/Beru{the ONLY ones to use } # ZD10 for about $10 each.

ZD-10? Mine uses ZD-11s.

 

[geonc]

ZD-10? Mine uses ZD-11s.

ZD11..........


IDI's use ZD9 and OBS PSD's use ZD10

 

[Mike]

ZD11..........


IDI's use ZD9 and OBS PSD's use ZD10

Glow Plug
(AutoZone) ZD-10 or ZD-11 (Beru plugs)
(Ford) F4TZ-12A342-A
(International) 1820697C2

The ZD-11 plugs by Beru are the preferred plugs in my experiences. Also 6 ohms is way to much resistance, maybe you meant .6? The higher your resistance the more amperage it consumes on its trip through th GP.

Ohms law is Volts = Resistance x Current.

12v = .1 ohm times unknown current. 12 divided by .1 = 120 amps.
12v = .5 ohms times unknown current. 12 divided by .5 = 24 amps.
12v = 1 ohm times unknown current. 12 divided by 1 = 12 amps.

New out of the box glowplugs should read between .1 and .6 ohms.