Where is the headlight relay, 1979 Dodge W150 truck?
#2793860
07/07/20 11:23 AM
07/07/20 11:23 AM
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Joined: Aug 2006
Posts: 2,533 God's Country Maryland
GODSCOUNTRY340
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God's Country Maryland
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Can't find it, where is it hidden?
I love the smell of Deer guts in the morning, it smells like... VICTORY!
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Re: Where is the headlight relay, 1979 Dodge W150 truck?
[Re: stumpy]
#2793872
07/07/20 11:59 AM
07/07/20 11:59 AM
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Joined: Aug 2006
Posts: 2,533 God's Country Maryland
GODSCOUNTRY340
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Is there a circuit breaker somewhere? There's no fuse for the headlights in the fusebox. Can't get any juice to the headlights or dimmer switch on the floor. Parking lights and turn signals work. I'm getting ready to pull the headlight switch after lunch.
I love the smell of Deer guts in the morning, it smells like... VICTORY!
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Re: Where is the headlight relay, 1979 Dodge W150 truck?
[Re: GODSCOUNTRY340]
#2793886
07/07/20 12:36 PM
07/07/20 12:36 PM
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Joined: Aug 2011
Posts: 2,871 Pattison Texas
CSK
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Pattison Texas
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Is there a circuit breaker somewhere? There's no fuse for the headlights in the fusebox. Can't get any juice to the headlights or dimmer switch on the floor. Parking lights and turn signals work. I'm getting ready to pull the headlight switch after lunch. built into the Headlight switch
1968 Charger COLD A/C Hilborn EFI 512ci 9.7 compression, Stealth heads, 4.10 gear A518 ODtrans 4100lb,10.93 full street car trim 2020 T/A 392 Stock 11.79 @ 114.5
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Re: Where is the headlight relay, 1979 Dodge W150 truck?
[Re: CSK]
#2794032
07/07/20 07:17 PM
07/07/20 07:17 PM
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Joined: Feb 2003
Posts: 16,161 Mesa, Arizona
dart4forte
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Is there a circuit breaker somewhere? There's no fuse for the headlights in the fusebox. Can't get any juice to the headlights or dimmer switch on the floor. Parking lights and turn signals work. I'm getting ready to pull the headlight switch after lunch. built into the Headlight switch You could go with a HL relay kit that Crackedback sells.
Last edited by dart4forte; 07/07/20 07:18 PM.
“So if it’s on the internet it must be true”
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Re: Where is the headlight relay, 1979 Dodge W150 truck?
[Re: buildanother]
#2794064
07/07/20 08:36 PM
07/07/20 08:36 PM
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Joined: Aug 2006
Posts: 2,533 God's Country Maryland
GODSCOUNTRY340
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Well, pulled the switch, used a jumper wire on the harness and got all 4 headlights working. Checked the switch and there's no continuity between the power and headlight terminal. Thanx for all the input.
I love the smell of Deer guts in the morning, it smells like... VICTORY!
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Re: Where is the headlight relay, 1979 Dodge W150 truck?
[Re: poorboy]
#2794569
07/09/20 02:50 AM
07/09/20 02:50 AM
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Joined: Jan 2003
Posts: 27,421 Balt. Md
383man
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Balt. Md
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Adding relays is a great idea, it takes a lot of load off the switch.
Modern switches are not anywhere near the quality the original switches were. I put 4 different aftermarket switches on my son's car before we got one that actually worked. Each switch had a different issue. All 4 switches were from local auto parts stores (each store only had one on the shelf), but once out of the box, all 4 looked identical.
Be forewarned, just because you have installed a new headlight switch, that no longer means you have installed a good switch. Gene Adding a relay is a great idea. Back in the 90's we had trouble with Dodge trucks burning the contacts on the headlite switches and headlties going out. It was because of the high current the headlites carry that over time it burned the switch. So they came out with a TSB to install a relay for the headlites to take the load off the switch. I installed many back then as they even had a part # for the harness with the relay they gave us to wire in. Ron
Last edited by 383man; 07/09/20 02:52 AM.
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Re: Where is the headlight relay, 1979 Dodge W150 truck?
[Re: 383man]
#2794630
07/09/20 09:32 AM
07/09/20 09:32 AM
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Joined: Jan 2003
Posts: 18,426 UPPER MICHIGAN, MARQUETTE COUN...
NITROUSN
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I Live Here
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Posts: 18,426
UPPER MICHIGAN, MARQUETTE COUN...
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Adding a relay is a great idea. Back in the 90's we had trouble with Dodge trucks burning the contacts on the headlite switches and headlties going out. It was because of the high current the headlites carry that over time it burned the switch. So they came out with a TSB to install a relay for the headlites to take the load off the switch. I installed many back then as they even had a part # for the harness with the relay they gave us to wire in. Ron Ron that was on the 94 and newer trucks. I agree we also updated a lot of them. Still a good idea on the older trucks.
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Re: Where is the headlight relay, 1979 Dodge W150 truck?
[Re: NITROUSN]
#2794990
07/10/20 12:12 AM
07/10/20 12:12 AM
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Joined: Jan 2003
Posts: 27,421 Balt. Md
383man
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Too Many Posts
Joined: Jan 2003
Posts: 27,421
Balt. Md
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Adding a relay is a great idea. Back in the 90's we had trouble with Dodge trucks burning the contacts on the headlite switches and headlties going out. It was because of the high current the headlites carry that over time it burned the switch. So they came out with a TSB to install a relay for the headlites to take the load off the switch. I installed many back then as they even had a part # for the harness with the relay they gave us to wire in. Ron Ron that was on the 94 and newer trucks. I agree we also updated a lot of them. Still a good idea on the older trucks. Your right as I forgot what year it started. Sometimes we got trucks in for it that already had it done so I would save the relay and harness and over the years I saved about 4 of them. Ron
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