175 Wiring
Printed From: Unofficial Allis
Category: Allis Chalmers
Forum Name: Farm Equipment
Forum Description: everything about Allis-Chalmers farm equipment
URL: https://www.allischalmers.com/forum/forum_posts.asp?TID=144631
Printed Date: 27 Apr 2024 at 2:06pm
Software Version: Web Wiz Forums 11.10 - http://www.webwizforums.com
Topic: 175 Wiring
Posted By: LYNNMN
Subject: 175 Wiring
Date Posted: 20 Nov 2017 at 5:14pm
| all new wiring and everything seems to work when check lights all work. When I start tractor fuse for lights blows. I can't figure which wires are wrong to cause this hooked wires same as old. What am I missing. Thanks for any advise. |
Replies:
Posted By: DSeries4
Date Posted: 20 Nov 2017 at 8:41pm
|
What size is the fuse? Should be 20 amps. IF any extra lights were added, the extra load will blow the fuse. Used to happen on our 175 before we removed the extra non-original lights. If not, check to see that it's not grounding out anywhere. ------------- '49 G, '54 WD45, '55 CA, '56 WD45D, '57 WD45, '58 D14, '59 D14, '60 D14, '61 D15D, '66 D15II, '66 D21II, '67 D17IV, '67 D17IVD, '67 190XTD, '73 620, '76 185, '77 175, '84 8030, '85 6080 |
Posted By: MACK
Date Posted: 20 Nov 2017 at 8:56pm
| Unplug them before they go up into finders. If ok, unhook each light one at a time. MACK |
Posted By: LYNNMN
Date Posted: 22 Nov 2017 at 5:06pm
| It is 20 amp fuse and no extra lights only 2 head lights not 4. If it is short why does it not blow fuse when tractor is not running |
Posted By: DSeries4
Date Posted: 22 Nov 2017 at 8:27pm
|
It's not going to short out when there is no current flowing through the wires. ------------- '49 G, '54 WD45, '55 CA, '56 WD45D, '57 WD45, '58 D14, '59 D14, '60 D14, '61 D15D, '66 D15II, '66 D21II, '67 D17IV, '67 D17IVD, '67 190XTD, '73 620, '76 185, '77 175, '84 8030, '85 6080 |
Posted By: MACK
Date Posted: 22 Nov 2017 at 9:35pm
|
A wire is bare some where, causing it to ground from vibration with motor running. Had a similar problem with oil lift. Would come on past 1/2 throttle. Wire was pinched under hood. Grounded from vibration. MACK |
Posted By: LYNNMN
Date Posted: 23 Nov 2017 at 10:15am
| I understand there is no current when light switch is not on. I can turn on lights and they work and do not blow fuse. When I start tractor and turn lights on fuse blows. Sorry if I am not clear. Thanks for all help. I will try to work on it tomorrow. |
Posted By: LYNNMN
Date Posted: 24 Nov 2017 at 3:55pm
| Does anyone have a wiring schematic other than what is in tractor manual. a service manual if it is different. I am having a hard time following book that came with tractor |
Posted By: SteveM C/IL
Date Posted: 25 Nov 2017 at 3:54pm
| they are telling you that vibration from running engine make the short show up.Turn em on with dead engine and start banging on parts and see if same result |
Posted By: LYNNMN
Date Posted: 25 Nov 2017 at 7:49pm
| Thanks for all feedback found problem and it is working great now. When I rewired tractor 2 wires were switched around. 2 wires go to key and 2 wires go to start button had them reversed so it always blew fuse. |
Posted By: drobCA
Date Posted: 25 Nov 2017 at 9:05pm
|
you're sure not the first to do an "oops" on the rewiring. don't even ask how I know that.  glad you worked it out. ------------- 3 Ford 8N's I loan to neighbors, but the '52CA, '41B and little B1 I do not. |