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!['96 7.3L Glow Plug Relay On-Time
The glow plug relay (12A343) has a plastic base and two mounting bolts. It is operated by the powertrain control module (PCM) (12A650) which senses engine oil temperature, PCM voltage and barometric pressure. When the engine oil temperature or the barometric pressure is low, the PCM activates the glow plug relay and the glow plugs. If the PCM voltage is too high, the powertrain control module deactivates the glow plug relay and the glow plugs immediately energize for a shorter duration, decreasing the modulation of the duty cycle.
See also:
[url=https://www.supermotors.net/registry/media/1124311][img]https://www.supermotors.net/getfile/1124311/thumbnail/96f350dieselgprwts.jpg[/img][/url] . [url=https://www.supermotors.net/registry/media/1124312][img]https://www.supermotors.net/getfile/1124312/thumbnail/96f350dieselfuel.jpg[/img][/url]](https://www.supermotors.net/getfile/1099335/fullsize/glowplugrelaytime.jpg)
'96 7.3L Glow Plug Relay On-Time
The glow plug relay (12A343) has a plastic base and two mounting bolts. It is operated by the powertrain control module (PCM) (12A650) which senses engine oil temperature, PCM voltage and barometric pressure. When the engine oil temperature or the barometric pressure is low, the PCM activates the glow plug relay and the glow plugs. If the PCM voltage is too high, the powertrain control module deactivates the glow plug relay and the glow plugs immediately energize for a shorter duration, decreasing the modulation of the duty cycle.
See also:
. 
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