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Related Medium and Heavy Trucks Questions
We have a 05 379 Pete and we're having troubles when
We have a 05 379 Pete and we're having troubles when starting it trips the breaker. We've had a new ignition switch and wiring harness down to breaker box. We've replaced the ignition relay attached t… read more
james Roberts
james Roberts
Maintenance assistant
Vocational, Technical or Trade School
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Can't get juice to starter. C 12 cat in a sterling tandem
Batteries are good but have juice at selenium on fire wall but nothing at key. Wandering about starter … read more
james Roberts
james Roberts
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Vocational, Technical or Trade School
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Power not going to the starter. 1845C Jaf 0252342. Put on a
Yes. put on a new starter and a new switch and checked the wiring … read more
Bradey V
Bradey V
Certificate
I have a 1999 freightliner that won't start when I turn
I have a 1999 freightliner that won't start when I turn ignition but if I jump the truck it will start… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
4,737 satisfied customers
Peterbilt 388 with ISX intermittent starting issue. Turn the
Peterbilt 388 with ISX intermittent starting issue. Turn the key once and the starter will click multiple times but not start. Exciter wire on starter solenoid has power when clicking occurs at starte… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
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Key on, hit the button, it clicks, no starter. Tapped
Key on , hit the button, it clicks, no starter. Tapped starter with hammer and solenoid, nothing. Which posts on solenoid need to be jumped … read more
catmastertech
catmastertech
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Vocational, Technical or Trade Scho
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Left the key in the gloplug positioin over night, next day
left the key in the gloplug positioin over night, next day will not start. no power put battery on charge over night still will not start. … read more
Curtis B.
Curtis B.
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Associate Degree
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1995 International 9400 Cummins N14. Truck sat up for 2
1995 International 9400 Cummins N14. Truck sat up for 2 months. When I tried to start it, the batteries were weak and starter hung up and tried to keep cranking until I turned key to off position. Now… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
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I have a 1997 C7500, Cat 3116 engine, and the starter does
I have a 1997 C7500, Cat 3116 engine, and the starter does not turn over, not even click. I have dropped the starter out, and tested it by applying 12V to the terminals on the starter and then jumping… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
4,737 satisfied customers
The magnetic switch on the fire wall has 4 wires connected
The magnetic switch on the fire wall has 4 wires connected to it. 2 large wites and 2 small wires. Withe the ignition turned off and all the mag switch wires connected, one large and both small wires … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
4,737 satisfied customers
I have 1999 Peterbilt 379. I was going down the road and hit
I have 1999 Peterbilt 379 . I was going down the road and hit a small bump and lost power to motor and gauges . When I try to start the truck , I turn the key and have no power to the volt gauge , hea… read more
spankyjr1
spankyjr1
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Vocational, Technical or Trade Scho
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2007 freightliner columbia looking relay in fuse panel.
2007 freightliner columbia looking for ignition relay in fuse panel. Truck will not start. 12v at ignition key #15 wire going to fuse panel. I discovered that Grd 219 ml 4050 feeds starter solenoid. W… read more
Expert
Expert
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2009 freigtliner cascadia with detroit diesel engine, truck
2009 freigtliner cascadia with detroit diesel engine, truck wont start with key, when i bypass key and put switch to starter i get a good crank but wont turn over.… read more
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Justin Hebert
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Freightliner classic only starts when jumped from starter mag
Freightliner classic only starts when jumped from starter mag switch, we replaced the mag switch (solenoid) and starter is good, but truck still wont start from ignition, what could be the problem?… read more
Wayne
Wayne
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Vocational, Technical or Trade Scho
14,718 satisfied customers
Have a 1997 Freightliner FL50 with a 5.9 fuel solenoid was
Have a 1997 Freight liner FL50 with a 5.9B The Main Fuel shut off solenoid was missing when we got the truck and a manual choke cable installed. We Got a new solenoid plugged it in and it feels red ho… read more
Expert
Expert
2006 freightliner m2 w cat c-7.150,xxx miles.330hp.Stopped
2006 freightliner m2 w cat c-7.150,xxx miles.330hp.Stopped to get fuel yesterday,when got back in truck,starter would only click,no start.Bateries replaced little over 30 days ago.Called service truck… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
4,737 satisfied customers
Have a 1999 Volvo Semi that will not start and need some suggestions
Have a 1999 Volvo Semi that will not start and need some suggestions because I'm running out of options. Truck ran fine on Sunday then on Monday it would not start. Brand new batteries in it and new c… read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
14,718 satisfied customers
I have a 2005 Freightliner Columbia. On the starter selnoid
I have a 2005 Freightliner Columbia. On the starter selnoid on the firewall, one of the small wires at the plug is hot all the time?? Should this only be hot when the key switch is ingaged?? Would any… 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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