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electrical Gremlin on the '82 Bronco

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Gsmblue

electrical Gremlin on the '82 Bronco

Today was an annoying day. For the last few weeks my tacho has been working, then when driving today it stopped working and the fuel gauge stopped working! All the other gauges work as normal.

Where on earth do I even start.

I have been looking at the 85 EVTM and I have cleaned the C208A connector with no change. So i am wondering what wires should I be tracing through which connectors or what components I should be testing if any.

Any advice welcomed, as always!

1985.5 F-150 XL Explorer standard cab 5.0 EFI AOD 4x4
Daily Driver. We call her Eunice the Ute.

1982 Bronco XLT Lariat 351W AOD 4x4
Code name Esperanza, or Espy to her friends. Please see my Project thread for the blow by blow.

1984 F-350 XL Centurion crew cab 460 T19 4x4
"Eylza Dual-little"

Gary Lewis

Re: electrical Gremlin on the '82 Bronco

Administrator

I’m out and about, so a quick response now and another later. On the fuel gauge, pull the wire at the sender, ground it, and turn the key on. The gauge should slowly peg. If it does then you have a sender problem.

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

Gsmblue

Re: electrical Gremlin on the '82 Bronco

It pegged!

So I dug out the contact cleaner and gave the 208A connector a good wipe down, then pulled the nuts on the tach and cleaned the printed tracks, cleaned the nuts and put them back on making sure they got good contact.

All working again! Thanks for the help!!!

Gary Lewis

Re: electrical Gremlin on the '82 Bronco

Administrator

Yippee!! Glad it worked.

Gary, AKA "Gary fellow": Profile

1986F150Six

Re: electrical Gremlin on the '82 Bronco

Administrator

Just wondering. When the gas gauge and tachometer stopped working, you said all other gauges worked normally. Does your gauge package include dummy lights?

Gsmblue

Re: electrical Gremlin on the '82 Bronco

I’m not sure what dummy lights are...

Gary Lewis

Re: electrical Gremlin on the '82 Bronco

Administrator

In reply to this post by 1986F150Six

I think "dummy lights" are the PC way to say "idiot lights".

Gary, AKA "Gary fellow": Profile

1986F150Six

Re: electrical Gremlin on the '82 Bronco

Administrator

Gary is correct. The reason I asked re: idiot lights is that gauges which suddenly go dead can sometimes be caused by a sticking ignition switch. If the dash has idiot lights rather than gauges, this would not be so readily apparent.