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Related Medium and Heavy Trucks Questions
I have a 1995 peterbilt 379 day cab. my speed, tach and fuel
I have a 1995 peterbilt 379 day cab. my speed, tach and fuel gauges are not working. can you help me fix this. it has a caterpillar 3406E vin# ***** … read more
Nich1019
Nich1019
Diesel Technician
Vocational, Technical or Trade School
62 satisfied customers
I HAVE A 1996 PETERBILT 379 WITH WIRING ISSUE. PRIOR OWNER
I HAVE A 1996 PETERBILT 379 WITH WIRING ISSUE. PRIOR OWNER GOT CREATIVE. HE DIRECT WIRED FAN TO BE ON ALL THE TIME, THEN NEXT SHOP INSTALLED SWITCH FOR FOR FAN. EVERY TIME THE FAN IS TURNED ON IT BLOW… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
14,843 satisfied customers
You 2006 Peterbilt 379, can I get a pin out diagram for the
You 2006 Peterbilt 379, can I get a pin out diagram for the CECU? I am not getting any power to any of the plugs and Any schematics from battery/fuse box to the CECU. Peterbilt vin 6D634778… read more
Nich1019
Nich1019
Diesel Technician
Vocational, Technical or Trade School
62 satisfied customers
I have a 1995 379 peterbilt with a cummins n-14 celect plus
i have a 1995 379 peterbilt with a cummins n-14 celect plus ACC fuse continues to blow and engine fan will not work automatically also the volt gauge and speedo are out as well … read more
Nich1019
Nich1019
Diesel Technician
Vocational, Technical or Trade School
62 satisfied customers
2005 pete 335 keeps blowing acc sw fues when key is turned.
2005 pete 335 keeps blowing acc sw fues when key is turned. i did pull all fuses and it still blows. So I replaced ignition switch because of this answer I found on this site.… read more
Nich1019
Nich1019
Diesel Technician
Vocational, Technical or Trade School
62 satisfied customers
2000 peterbilt 379, my dash is going crazy.. tach,, speedo,,
2000 peterbilt 379, my dash is going crazy.. tach,, speedo,, oil temp, which is even connected to the sensor on the oil pan,, all of them. Replaced relay behind dash left had side. Checked alt, proper… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
14,843 satisfied customers
1996 Peterbuilt 379 vin # 1XP-5D69X-6-SN377885 No power to
1996 Peterbuilt 379 vin # 1XP-5D69X-6-SN377885 No power to the ignition. If you give power to the ignition it will crank but Will not start, no engine light comes on when power is applied… read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
5,115 satisfied customers
I have a1995 379 series pete, one day my speedo temp, fuel
hello i have a1995 379 series pete, one day my speedo temp, fuel tach and volt gauges stopped working , found a blown fuse replaced fuse mile down the road it blows again now i have still no gauges an… read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
5,115 satisfied customers
2007 379 peterbilt. Speedo not working and when I get to
2007 379 peterbilt. Speedo not working and when I get to 1500 rpm it's feels like it's being governed? If I stay below no problem, also my cruise works at idle but not on road? … read more
Mike Mcmillan
Mike Mcmillan
Triage Tech/Shop Foreman
Associates
591 satisfied customers
When you turn the key on odometer shows straight lines and
when you turn the key on odometer shows straight lines and doesn't work speedo works fine … read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
5,115 satisfied customers
My truck won,t start, no dash lights. Batteries are hot. On
My truck won,t start , no dash lights . Batteries are hot . On the ignition switch the battery post is hot only in the accesery key position . Nothing was wrong when I parked it , then next morning it… read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
5,115 satisfied customers
When I turn the key on it blow,s the fuse that is for the
When I turn the key on it blow,s the fuse that is for the tach &speedometer … read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
2,756 satisfied customers
I have a 1996 Peterbilt 379 the fuse for the tachometer
I have a 1996 Peterbilt 379 the fuse for the tachometer speedometer alternator and a few extra accessory gauges will blow as soon as you plug it in I'm not real sure how to locate where the short may … read more
Andy
Andy
truck /coach technician
Vocational, Technical or Trade School
214 satisfied customers
Where is the low air pressure buzzer located on a 2009 379
Where is the low air pressure buzzer located on a 2009 379 Peterbilt? … read more
John Oliver
John Oliver
none
3 satisfied customers
Have a 2007 379 peterbilt.. no dash gauges work no .. they
have a 2007 379 peterbilt.. no dash gauges work no .. they would go off and on sometimes now nothing at all no gauges no speedometer nothing everything is balnk … read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
2,756 satisfied customers
Yesterday my speedometer, odometer, voltage gauge and
Yesterday my speedometer, odometer, voltage gauge and instrument light cluster stopped working. Checked fuses and relays in fuse box as well as relay directly behind gauges. Could not resolve the prob… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
14,843 satisfied customers
hi,I got a 2005 379 engine peterbilt, every morning it starts
hi,I got a 2005 379 engine peterbilt, every morning it starts ok. and runs for 3 or 4 minutes and then gets kill down and I have to use starter fluid to make it work, I have this problem every morning… read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
2,756 satisfied customers
The tac and speedometer on my 9200 International truck work
The tac and speedometer on my 9200 International truck work intermitently. Often in the morning it does not work until I have driven 50 to 100 miles - then it works most of the day. The oil pressure a… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
14,843 satisfied customers
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Daniel Wilson

Daniel Wilson

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worked on, Gmc, Macks, Freight liner,Mercedes Benz,,Ford, sterling

Jeremy

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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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