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Randall, RVIA Certification
Category: RV
Satisfied Customers: 10271
Experience:  RVDA/RVIA Master Certified Technician with many years experience.
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I could use an electrical diagram 3 875eg2. I found both

Customer Question

JA: Hi. What do you want help with?
Customer: I could use an electrical diagram for model 3 875eg2. I found both fuses blown and I am shure that some thing blew up there.
JA: Do all the fuses have the correct amperage for the circuits they're in?
Customer: Yes. I was using for over a week switching it from electric to gas.
JA: What is the model/year of your RV?
Customer: I am not shure. Possible 1990 !?
JA: What confuses you?
Customer: There are no tags to indicate the age.
JA: Are you hoping to fix this yourself? What have you tried so far?
Customer: I think I can trouble shoot it if I had an electrical diagram.
JA: Anything else you think the mechanic should know?
Customer: I can't think of any.
Submitted: 3 months ago.
Category: RV
Expert:  Randall replied 3 months ago.

I think that will be a tough one. Which fuse(s) blew? Both the AC and DC fuses on the board?

Expert:  Randall replied 3 months ago.

I think the attached link will be close. All these models were wired up about the same way. Start by checking the incoming AC and DC voltages with a meter and take an ohms reading on the heating elements. Disconnect them first. Take the control board loose and check the traces on the back for any signs of a short or hot spot. Let me know what you find. All follow ups are included in our fee.