2000 Excursion High Beams Not Working
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2000 Excursion High Beams Not Working
Any suggestions, I am stumped.
Low beams work fine. When I push the Multi-Function lever on the column forward to activate the high beams, I have no lights at all. When it is in low beam (middle) position, low beams work fine. When I pull back for click to pass, only the low beams are active. No high beam indicator in instrument cluster.
I have:
1. Replaced both headlight bulbs
2. Replaced the multifunction switch on the column
Checked test pins on switch (MF) they are hot when in either high beam position
or click to pass position
3. checked fuses (interior)
#8 - power on both sides of fuse
#16 (15a) High beam headlamps, instrument cluster. ***NO POWER ON EITHER SIDE***
4. checked fuses (engine compartment)
#10 - power on both sides
#21 - Power on both sides
#23 - power on both sides of fuse
Any suggestions???
Low beams work fine. When I push the Multi-Function lever on the column forward to activate the high beams, I have no lights at all. When it is in low beam (middle) position, low beams work fine. When I pull back for click to pass, only the low beams are active. No high beam indicator in instrument cluster.
I have:
1. Replaced both headlight bulbs
2. Replaced the multifunction switch on the column
Checked test pins on switch (MF) they are hot when in either high beam position
or click to pass position
3. checked fuses (interior)
#8 - power on both sides of fuse
#16 (15a) High beam headlamps, instrument cluster. ***NO POWER ON EITHER SIDE***
4. checked fuses (engine compartment)
#10 - power on both sides
#21 - Power on both sides
#23 - power on both sides of fuse
Any suggestions???
Last edited by DiamondCrown1971; May 29, 2013 at 11:19 PM. Reason: typo
Cargo Master
Joined: Mar 2005
Posts: 2,790
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From: Mount Royal, NJ
The pinpoint tests are rather short for a high beam not working problem. Let's try that.
Test one
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Test one
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From: Mount Royal, NJ
If you don't have a diagram, then I might have to send one to you to follow the res of this.
Disconnect RH headlamp C1034 (aerodynamic), or C1036 (sealed beam).
Measure the resistance between RH headlamp C1034 (aerodynamic) or C1036 (sealed beam), circuit 12 (LG/BK), harness side, and CJB C242a pin 5 circuit 12 (LG/BK), harness side.
Is the resistance less than 5 ohms?
Disconnect RH headlamp C1034 (aerodynamic), or C1036 (sealed beam).
Measure the resistance between RH headlamp C1034 (aerodynamic) or C1036 (sealed beam), circuit 12 (LG/BK), harness side, and CJB C242a pin 5 circuit 12 (LG/BK), harness side.
Is the resistance less than 5 ohms?
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Stewart
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From: Mount Royal, NJ
Thanks, Stewart.
I think I know where his issue is. Between the connector c230a on the multifunction switch, and the central junction box connector c242a. (fuse box under dash) The wire is GY/OG color. The connector c242a along with many others, provides the connections to fuse 16. The other place the issue could be is in the fuse box itself. There is a pinpoint test for that.
I think I know where his issue is. Between the connector c230a on the multifunction switch, and the central junction box connector c242a. (fuse box under dash) The wire is GY/OG color. The connector c242a along with many others, provides the connections to fuse 16. The other place the issue could be is in the fuse box itself. There is a pinpoint test for that.
Cargo Master
Joined: Mar 2005
Posts: 2,790
Likes: 24
From: Mount Royal, NJ
since you already replaced the multifunction switch, that eliminated that part. You already tested voltage on Fuse 16 and it was zero on both sides.
That leaves only the above mentioned wire circuit, number 632 GY/OG from the switch to the fuse box. Fuse 16 controls power to high beams and high beam indicator on the cluster.
That leaves only the above mentioned wire circuit, number 632 GY/OG from the switch to the fuse box. Fuse 16 controls power to high beams and high beam indicator on the cluster.
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Having some trouble locating a wiring diagram. I found a couple separate one that should help me follow along.
Can't find my tester...
any other ideas until I can go get a new tester in the morning?
What are you thinking is going on?
Can't find my tester...
any other ideas until I can go get a new tester in the morning?
What are you thinking is going on?
Super Moderator
Joined: May 2004
Posts: 29,380
Likes: 118
From: Central Coast of CA
Thanks, Stewart.
I think I know where his issue is. Between the connector c230a on the multifunction switch, and the central junction box connector c242a. (fuse box under dash) The wire is GY/OG color. The connector c242a along with many others, provides the connections to fuse 16. The other place the issue could be is in the fuse box itself. There is a pinpoint test for that.
I think I know where his issue is. Between the connector c230a on the multifunction switch, and the central junction box connector c242a. (fuse box under dash) The wire is GY/OG color. The connector c242a along with many others, provides the connections to fuse 16. The other place the issue could be is in the fuse box itself. There is a pinpoint test for that.
Stewart
