Brad Clayton Posted March 29, 2008 Share Posted March 29, 2008 Quote: TSB07-9-1 2008 F-SUPER DUTY- LIGHTING ON SNOW PLOW EQUIPPED VEHICLES - BUILT BEFORE 04/18/2007 Publication Date: April 19, 2007 FORD: 2008 F-Super Duty ISSUE: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.ACTION: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. Calibration files may also be obtained at http://www.motorcraft.com.WARRANTY STATUS:Eligible Under Provisions Of New Vehicle Limited Warranty CoverageIMPORTANT: Warranty coverage limits/policies are not altered by a TSB. Warranty coverage limits are determined by the identified causal part.OPERATION DESCRIPTION TIME 070901A 2008 Super Duty: Reprogram The SJB (Do Not Use With 12650D, 12651D, 12651D4) 0.3 Hr. DEALER CODINGBASIC PART NO. CONDITION CODE 15604 04 Quote Link to comment Share on other sites More sharing options...
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