Bronco died on Highway 36... Help
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Stubborn3
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Bronco died on Highway 36... Help
So I was driving to work this evening when my truck lost power. Stepped on gas with no results and made my way to the side where the engine died. The auxiliary fan ceased to function and the electric fuel pump also quit, however the head lights and interior lights, gauges etc. still worked. turned key and started would turn over but no ignition occurred. Any idea on where to start? I was thinking coil maybe? Never had a vehicle power down while going 70 mph before. Any help would be appreciated.
'72 sport, 351 Cleveland, NP435, twin-sticked 20, unknown lift- if any, 35" KM2s siped by B.O.B, custom rust and dents, 2 kid seats.
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yobro
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Re: Bronco died on Highway 36... Help
had an 85 mustang 5.0..same thing happened to me...was the timing chain...simple fix for me...good luck..
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akaFrankCastle
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Re: Bronco died on Highway 36... Help
Stubborn3 wrote:So I was driving to work this evening when my truck lost power. Stepped on gas with no results and made my way to the side where the engine died. The auxiliary fan ceased to function and the electric fuel pump also quit, however the head lights and interior lights, gauges etc. still worked. turned key and started would turn over but no ignition occurred. Any idea on where to start? I was thinking coil maybe? Never had a vehicle power down while going 70 mph before. Any help would be appreciated.
You've got an electric fuel pump and an electric auxiliary fan, correct? Are they running off of relays? Where is the power that feeds those relays coming from? If your headlights are on, dash is lighting up, and the truck is turning over, it sounds like all of your stock, normal wiring stuff is working.
Might try jiggling that ignition key too. Sbolt19 was having issues with his truck dying while driving down the road. Turned out to be the ignition switch.
Stroppe'd
1972 Sport, 302, 3 speed with old school Duff floor shifter, T shift Dana 20 with JB Fab twin stick, 4.11 gears with Trac-loc, Lincoln hydroboost, Chevy disc conversion, WH gas lift gate shock kit, 33" Duratrac tires on slots and about 2.5" of lift, Stroppe installed: bumper braces, dual shocks on all four corners, GM power steering, trans cooler mount, auto shift column, rollbar.
The Terrible One
1972 Sport uncut, 302, C4 with 1974 column , T shift Dana 20, 3.50 gears w/ limited slip, 1966 U13 Roadster kick panel, and factory power steering.
1973 Stroppe Baja project
1972 Sport, 302, 3 speed with old school Duff floor shifter, T shift Dana 20 with JB Fab twin stick, 4.11 gears with Trac-loc, Lincoln hydroboost, Chevy disc conversion, WH gas lift gate shock kit, 33" Duratrac tires on slots and about 2.5" of lift, Stroppe installed: bumper braces, dual shocks on all four corners, GM power steering, trans cooler mount, auto shift column, rollbar.
The Terrible One
1972 Sport uncut, 302, C4 with 1974 column , T shift Dana 20, 3.50 gears w/ limited slip, 1966 U13 Roadster kick panel, and factory power steering.
1973 Stroppe Baja project
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Stubborn3
- Official CCB Member
- Posts: 175
- Joined: Mon Sep 17, 2012 2:09 am
Re: Bronco died on Highway 36... Help
On your advise I wiggled the ignition a bit and she started up... switch has been kinda loose but never thought it would cause a cut out.. gonna keep rootin around but wanted to say thanks to everyone who replyed... need more Bronco friends obviously... should have tried harder to make it to the last meeting banghead
'72 sport, 351 Cleveland, NP435, twin-sticked 20, unknown lift- if any, 35" KM2s siped by B.O.B, custom rust and dents, 2 kid seats.
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akaFrankCastle
- Official CCB Member
- Posts: 4901
- Joined: Wed Oct 27, 2010 5:25 pm
Re: Bronco died on Highway 36... Help
Don't sweat it. Gotta figure with ~40 year old trucks, got start from the first potential point of failure. And unfortunately for us, that is often the ignition switch.
Stroppe'd
1972 Sport, 302, 3 speed with old school Duff floor shifter, T shift Dana 20 with JB Fab twin stick, 4.11 gears with Trac-loc, Lincoln hydroboost, Chevy disc conversion, WH gas lift gate shock kit, 33" Duratrac tires on slots and about 2.5" of lift, Stroppe installed: bumper braces, dual shocks on all four corners, GM power steering, trans cooler mount, auto shift column, rollbar.
The Terrible One
1972 Sport uncut, 302, C4 with 1974 column , T shift Dana 20, 3.50 gears w/ limited slip, 1966 U13 Roadster kick panel, and factory power steering.
1973 Stroppe Baja project
1972 Sport, 302, 3 speed with old school Duff floor shifter, T shift Dana 20 with JB Fab twin stick, 4.11 gears with Trac-loc, Lincoln hydroboost, Chevy disc conversion, WH gas lift gate shock kit, 33" Duratrac tires on slots and about 2.5" of lift, Stroppe installed: bumper braces, dual shocks on all four corners, GM power steering, trans cooler mount, auto shift column, rollbar.
The Terrible One
1972 Sport uncut, 302, C4 with 1974 column , T shift Dana 20, 3.50 gears w/ limited slip, 1966 U13 Roadster kick panel, and factory power steering.
1973 Stroppe Baja project
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Stubborn3
- Official CCB Member
- Posts: 175
- Joined: Mon Sep 17, 2012 2:09 am
Re: Bronco died on Highway 36... Help
Still better than the 2008 Hummer I traded in for it. I'll never have anything else again. Thanks again and hope to attend an event next time we have one.
'72 sport, 351 Cleveland, NP435, twin-sticked 20, unknown lift- if any, 35" KM2s siped by B.O.B, custom rust and dents, 2 kid seats.