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Related Medium and Heavy Trucks Questions
Where do I find the Peterbilt 379 brake pressure switch for
where do I find the Peterbilt 379 brake pressure switch for cruise control … read more
NicholasM1019
NicholasM1019
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On a 2005 Peterbilt 379 with cat ACERT C 15 engine why did
On a 2005 Peterbilt 379 with cat ACERT C 15 engine why did my Jakes only work in low and in the middle setting they do nothing and on the high setting I only get the low jakes… read more
Cat Man
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I have a 1996 model 379 peterbilt with a cat 3406e in it.
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BrentR718
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6 satisfied customers
A/C charge lbs for 1998 357 peterbilt. Cummins m11+ Tried
A/C charge lbs for 1998 357 peterbilt JA: What's the make/model/year of your truck? Engine type? Customer: cummins m11+ JA: Are you fixing your truck yourself? What have you tried so far? Customer: ye… read more
Mike Mcmillan
Mike Mcmillan
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2000 peterbilt with cat c12 engine Jake's dont work I want
2000 peterbilt with cat c12 engine Jake's dont work I want to wire them directly with my own switch … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
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I have a 1996 peterbilt 379 with a rebuilt N14's celect
I have a 1996 peterbilt 379 with a rebuilt N14's celect Cummins. It will not do a diagnostic code check and will not show codes on instrument panel on the dash. Last week I was experiencing no throttl… read more
Daniel Wilson
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I have a truck that's a peterbilt 379 with a cat c15 and
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Cat Man
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2000 petterbuilt everything working on cruse and jake except
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Jeremy
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It is a 95 Peterbilt with a 3406e. The Jake brake is not
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Cat Man
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I need to know the switch # 1 position of the service brake
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Daniel Wilson
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I'm switching a 99 peterbilt from Detroit ddec3 to cat 3406e
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Daniel Wilson
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I have a 1988 peterbilt 379.. The stop lights are on all the
Hi i have a 1988 peterbilt 379.. The stop lights are on all the time and when i press the brake pedal doesn't work but if i turn off the truck the lights will turn off as well… read more
Daniel Wilson
Daniel Wilson
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Yesterday my speedometer, odometer, voltage gauge and
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Daniel Wilson
Daniel Wilson
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I have a 1994 Peterbilt 379 the cruise control was working
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1994 Peterbilt 379 with 60 series Detroit diesel- The brake
1994 Peterbilt 379 with 60 series Detroit diesel- The brake lights only come on if I step on the brakes real hard. If I am using the brakes to slow down not stepping on them hard, they do not come one… read more
Andy
Andy
truck /coach technician
Vocational, Technical or Trade School
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1999 peterbilt 379 with n14 cumminspush start button will
1999 peterbilt 379 with n14 cummins push start button will not always engage starter.sometimes you pust the start button and you can hear a click behind the dash but wont start,sometimes it will start… read more
Toby
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I have a 2000 peterbilt 379 with an N14 cummins. The cruse
I have a 2000 peterbilt 379 with an N14 cummins. The cruse control has quit working. The Jake works and the break lights aren't on. The switches on the dash are working.… read more
JANECZFJ
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1999 kenworth t-800 with n-14 cummins celect jake brake stop
1999 kenworth t-800 with n-14 cummins celect jake brake stop work , replace switch on smart wheel but still nothing , can here smart wheel module under dash click when i push on what should i check ne… read more
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Chris (aka-Moose)

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Disclaimer: Information in questions, answers, and other posts on this site ("Posts") comes from individual users, not JustAnswer; JustAnswer is not responsible for Posts. Posts are for general information, are not intended to substitute for informed professional advice (medical, legal, veterinary, financial, etc.), or to establish a professional-client relationship. The site and services are provided "as is" with no warranty or representations by JustAnswer regarding the qualifications of Experts. To see what credentials have been verified by a third-party service, please click on the "Verified" symbol in some Experts' profiles. JustAnswer is not intended or designed for EMERGENCY questions which should be directed immediately by telephone or in-person to qualified professionals.

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