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Curtis B.
Curtis B., Technician
Category: Medium and Heavy Trucks
Satisfied Customers: 28349
Experience:  Technician turned service manager on multiple lines of trucks and engines, used in industry.
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Have a case 1840 It will not shut off with the key I have to

Customer Question

have a case 1840 It will not shut off with the key I have to unplug the fuel solenoid to get it to turn off
JA: What is the complete model and serial number of your machine?
Customer: 1840 jaf0266984
JA: Are you fixing this yourself? What have you tried so far?
Customer: yes I think something is wrong with the relays Someone worked on this before me and not sure if there are the right ones. I can not find any info to tell me what relays to put in this unit
JA: Anything else you want the equipment mechanic to know before I connect you?
Customer: I have tested the fuel shut off unit I know it is good the key will not break the currant to the shut unit
Submitted: 6 months ago.
Category: Medium and Heavy Trucks
Expert:  Curtis B. replied 6 months ago.

Welcome to JUST ANSWER heavy equipment. With years of experience, I look forward to doing my best to help.

Expert:  Curtis B. replied 6 months ago.

See link below. Relays are # 49 and 52 , 49 are both alike, and 52 is time delay relay. Nor sure what relay does what, but if you look at wire colors on the fuel solenoid, the relay will have same wire colors.

Expert:  Curtis B. replied 6 months ago.

I see question is still open. Did you find relays?

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