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TSB 07-9-1 --> 2008 F-SUPER DUTY- LIGHTING ON SNOW PLOW EQUIPPED VEHICLES
Probably won't affect too many of you, but you've got until the next "snow season" to sort it out:
2008 F-SUPER DUTY- LIGHTING ON SNOW PLOW EQUIPPED VEHICLES - BUILT BEFORE 04/18/2007
FORD: 2008 F-Super Duty
<u>ISSUE:</u>
2008 F-Super Duty vehicles are equipped with a smart junction box (SJB) and it's function is to provide protection against excessive current loads, typical of a short circuit, by shutting down circuit operation. The SJB strategy may interpret the switching between Ford headlamps and aftermarket snowplow headlamps, and vice-versa, as a short-to-ground, causing the power feeding a headlamp circuit through the SJB to be turned off.
<u>ACTION:</u>
Reprogram the SJB to the latest calibration using IDS release 48.9 patch 9 and higher or 49.1 patch 1 and higher. This new calibration is not included in the VCM 2007.5 DVD.
WARRANTY STATUS:
Eligible Under Provisions Of New Vehicle Limited Warranty Coverage
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