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Daniel Wilson
Daniel Wilson,
Category: Medium and Heavy Trucks
Satisfied Customers: 5149
Experience:  Owner at DJ Wilson
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1994 FLD 120 series 60. Flash code 26, goes out when release

Customer Question

1994 FLD 120 series 60. Flash code 26, goes out when release parking brake.
Submitted: 1 year ago.
Category: Medium and Heavy Trucks
Expert:  Daniel Wilson replied 1 year ago.

Hi Norm, My name is***** will be glad to help. Click on this link for your troubleshooting information. The switch you replaced was it a pressure switch in an air manifold or the switch for the clutch pedal?

Troubleshooting

Expert:  Daniel Wilson replied 1 year ago.

also if an air switch did this fault begin after replacing the switch or the reason the switch was replaced? Just want to be sure if both old switches and new switch were the same normally open or normally closed. Let me know

Customer: replied 1 year ago.
Air switch on manifold was replaced for this problem, no change.
Customer: replied 1 year ago.
Does wire off of that brake switch go directly to ECM? I think wire number is *****???
Expert:  Daniel Wilson replied 1 year ago.

Does this look like what you have?

Customer: replied 1 year ago.
No sir, I have aluminum manifold all in line
Expert:  Daniel Wilson replied 1 year ago.

gotchya. Does jumping the two wires together and disconnecting them throw and also stop this code?

Customer: replied 1 year ago.
When disconnect code goes out. Switch is normally closed so disconnecting it is the same as releasing the brakes
Expert:  Daniel Wilson replied 1 year ago.

Is this a DDEC 2 or 3?

Customer: replied 1 year ago.
Two

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