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What is this connection on the firewall?

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Raywilson

What is this connection on the firewall?

What is this plug for, trailer brake?

1981 F150 XLT Ranger Trailer Special
302 automatic

Gary Lewis

Re: What is this connection on the firewall?

Administrator

Yep, that's the trailer electric brake control connection, which you can see in this page from the 81 EVTM. I have a Tekonsha controller and plugged it into that. Works well.

Gary, AKA "Gary fellow": Profile

Dad's: '81 F150 Ranger XLT 4x4: Down for restomod: Full-roller "stroked 351M" w/Trick Flow heads & intake, EEC-V SEFI/E4OD/3.50 gears w/Kevlar clutches
Blue: 2015 F150 Platinum 4x4 SuperCrew wearing Blue Jeans & sporting a 3.5L EB & Max Tow
Big Blue: 1985 F250HD 4x4: 460/ZF5/3.55's, D60 w/Ox locker & 10.25 Sterling/Trutrac, Blue Top & Borgeson, & EEC-V MAF/SEFI

Raywilson

Re: What is this connection on the firewall?

Thanks for that. Doubt I'll ever need it.

1981 F150 XLT Ranger Trailer Special
302 automatic

Clutch47

Re: What is this connection on the firewall?

In reply to this post by Raywilson

I'll have to look down there on mine to see if it's there. I plan on using it to do a little towing...

All Ford all the time.
83 F-100 300-6/C6
69 Merc Montego convertible 393 4V Cleveland
86 LTD Crown Vic 2 door sedan 347 AOD
03 F-250 SD 5.4 2V