amp guage wires
Thread Starter
|
Senior User
Joined: Nov 2003
Posts: 105
Likes: 0
amp guage wires
I know some of you experts have a quick answer for this question. I have a 70 Ford 1/2 ton 302 three on the tree and my amp guage is not working. After tracing the harness from the dash through the firewall to a three prong connector right at or past the solenoid the three wires 1 blk with yl stripe, 1 yellow, and 1 red are in place and hooked up except for the red wire. The previous owner cut it loose and I can't find or tell where its suppose to go.
Please help
Thanks
Please helpThanks
Post Fiend
Joined: Feb 2000
Posts: 5,130
Likes: 8
From: Brea CA
Hi, welcome to the site!
The red wire goes to a 4-amp inline fuse and then connects to the battery side of the starter solenoid with a ring lug. Don't get your hopes up, these factory ammeters hardly deflect at all.
Barry
The red wire goes to a 4-amp inline fuse and then connects to the battery side of the starter solenoid with a ring lug. Don't get your hopes up, these factory ammeters hardly deflect at all.
Barry
Last edited by BB; Dec 6, 2003 at 01:28 AM.
Post Fiend
Joined: Feb 2000
Posts: 5,130
Likes: 8
From: Brea CA
You're welcome! Ah, now that's a problem. The fuse link is also the shunt that the ammeter is connected across. The shunt causes a slight voltage drop and that's what the ammeter reads. Without the fuse link (shunt), the ammeter won't read anything. How about some aftermarket gauges?
Barry
Barry
Thread Starter
|
Senior User
Joined: Nov 2003
Posts: 105
Likes: 0
Thanks Barry. Aftermarket guages just might be the best way to go. The amp guage in mine is already fried and I was trying to use a aftermarket guage to replace the stock guage using the existing wiring. As you can tell I am no electrical wizard. Could the yellow wire be used since its already tied in place but where do I need to hook up the other side to?
Thanks
Johnny
This is a great site.
Thanks
Johnny
This is a great site.
Trending Topics
Post Fiend
Joined: Feb 2000
Posts: 5,130
Likes: 8
From: Brea CA
Hey Johnny, you sound pretty savvy to me!
Yeah, you could if the aftermarket ammeter is a shunt type. You would put one end of the shunt on the battery side of the starter solenoid. The other side of the shunt would connect to the alternator output that originally went to the solenoid. The existing yellow wire is attached to the alternator output, the new wire needed would come off the battery side of the solenoid or you can fix the existing red wire and use it. I hope this makes sense.
Barry
Yeah, you could if the aftermarket ammeter is a shunt type. You would put one end of the shunt on the battery side of the starter solenoid. The other side of the shunt would connect to the alternator output that originally went to the solenoid. The existing yellow wire is attached to the alternator output, the new wire needed would come off the battery side of the solenoid or you can fix the existing red wire and use it. I hope this makes sense.
Barry
Last edited by BB; Dec 6, 2003 at 02:25 AM.
FTE Stories
Ford Trucks for Ford Truck Enthusiasts
Top 10 Fords at 2026 Carlisle Ford Nationals
Joe Kucinski
3 Best / 3 Worst Parts of Modern Ford Ownership
Brett Foote
10 Amazing Upgrades That Solve Common Ford Truck Owner Headaches
Pouria Savadkouei
Every 2026 Ford Engine Explained
Brett Foote
10 Ugly Ford Trucks That We Still Kinda Love
Joe Kucinski
10 Things Every Truck Owner NEEDS (2026 Edition)
Michael S. Palmer
Rezvani's Latest Post-Apocalyptic Monster Is a Ford F-150 Raptor Underneath
Verdad Gallardo
Top 10 Most Expensive Ford Trucks Ever Sold on Bring a Trailer
Joe Kucinski
2027 Ford Super Duty Buyer's Guide (Every Model, Engine, & Package)
Brett Foote
Thread Starter
|
Senior User
Joined: Nov 2003
Posts: 105
Likes: 0
Once again thanks. And yes what you just said makes sense. I may have some more questions later for you. But for now I think I will call it quits and get some sleep. Maybe tomorrow or after a few hours of sleep I can get back on this bad boy and finish up trying to put this harness back together.
Thanks
Johnny
Thanks
Johnny
Lead Driver
Joined: Aug 2003
Posts: 7,592
Likes: 10
From: **** hole San Jose ca.
I'm running dual batts. and aftermarket guages oil, water temp,
and volts. When your battery is up the amp meter may only show alittle movement starting, or turning the lights. Aftermarket or not.
I replaced my aftermarket amp ga. with a aftermarket volt ga. and
wished, I did that the first time around. You will be much happier with a volt ga. You'll alway's know what your charging system is doing. Just ask these guys and they will tell you....My 2 cents
orich
and volts. When your battery is up the amp meter may only show alittle movement starting, or turning the lights. Aftermarket or not.
I replaced my aftermarket amp ga. with a aftermarket volt ga. and
wished, I did that the first time around. You will be much happier with a volt ga. You'll alway's know what your charging system is doing. Just ask these guys and they will tell you....My 2 cents
orich
Thread
Thread Starter
Forum
Replies
Last Post
Outlaw56
Y-Block V8 (239, 272, 292, 312, 317, 341, 368)
32
Mar 16, 2014 02:45 PM
Bagged70F100
1967 - 1972 F-100 & Larger F-Series Trucks
21
Mar 9, 2004 05:47 PM