Error 21 Wiring Diagram (Damaged Loom) - Maintenance & Troubleshooting discussion in Forkliftaction's forums

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Error 21 Wiring Diagram (Damaged Loom)

Cat Lift Trucks GP25N

Hello,

I've a 2004 GP25N displaying error E-21, I've found out that the error is for the air flow meter signal, after further investiagtion I've found that the wiring too the sensor has been damaged (eatten by a rat) I've placed an order for a new Air Flow Meter but unfortantly due to the damage there is no plug on the loom and I need to make a new loom too plug in but im unclear as too which cable is plugged into which pin on sensor.

If somebody is able too send the diagram over I will be massively greatful

Truck Details
GP25N
ET17DL-0650155
2004 YOM

Posted 14 Jul 2020 01:31
By Lordmoss13
joined 3 Jul'20 - 15 messages
Wales, United Kingdom

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figured it out yet?
i found some info on this that might help
1- looking at the plug it is a flat 5 terminal plug with a locking tab on one side, if you lay the plug down flat on a table with locking tab on top the terminal layout goes from left to right 1-2-3-4-5.
terminal 5 wire connects to terminal 119 of ecm or bridged in harness wire that connects to 119.
terminal 4 wire connects/bridges to terminal 1 at connector (terminal 1 connects to ecm terminal 67.
terminal 3 wire connects to ecm terminal 51
terminal 2 wire connects to ecm terminal 34
terminal 1 wire connects to ecm terminal 67 (bridges to terminal 4 on plug)
The diagram i'm looking at does not show any wire colors unfortunatly.

Posted 16 Aug 2020 04:13
By swoop223
joined 23 Mar'12 - 3,691 messages
North Carolina, United States

You've been swooped!
swoop223@gmail.com

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