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Activating 12-Volt Accessory 7-Way Circuit on 2007 Ford F150

Question:

i have a 2007 ford f150xl it had a 4 pin from factory i bought oem 7 pin put it on everything works exept the accessory wire pin i would like to be able to use the accessory for a trailer what should i do?

1

Helpful Expert Reply:

Since your F150 had the 4-pole connector, the towing circuits are most likely not fully active. To activate that charge circuit, you will need to install a fuse and relay into the fuse box. The fuse is a 30 amp in location # 106, and the relay goes in position # R05. These positions are shown in the fuse diagram on page 277 of your owners manual. You can obtain the relay from your Ford dealer or your local auto parts store.

helpful expert reply by:
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Mike L

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