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Lost headlights and turn signals |
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Mopar_guy 
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Joined: Jun/07/2009 Location: Ohio Status: Offline Points: 4828 |
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 Posted: Nov/12/2018 at 6:53pm |
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OK that sounds better! So what doesn't work now? Just the turn signals?
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MartyB
AMC Apprentice 
Joined: Apr/24/2018 Location: Plano, TX Status: Offline Points: 37 |
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Posted: Nov/12/2018 at 9:08pm |
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Yes.,,and the guages (H2O, oil and gas). But the dash lights do work.
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george w
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Joined: Jan/27/2013 Location: New Jersey Status: Offline Points: 2899 |
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Posted: Nov/13/2018 at 5:58am |
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Sounds like you're getting switched accessory power to the fuse block with the key on but you may not be getting accessory power OUT of the fuse block even if the various fuses are good. This would effect the turn signals, radio and gauges feed and the HVAC blower feed. You may need to remove the fuse block and check the back side of the circuit board for corrosion or looseness on the fuse clip connections.
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Long time AMC fan. Ambassador 343, AMX 390, Hornet 360, Spirit 304 and Javelin 390. All but javelin bought new.
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304-dude
AMC Addicted 
Joined: Sep/29/2008 Location: Central Illinoi Status: Offline Points: 9082 |
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Posted: Nov/13/2018 at 6:05am |
The was my thoughts as well... I bet the ignition switch wires header to the fuse panel is not on the proper set of terminals. That is a problem that can happen, since there is nothing to keep one from offsetting from its proper location. |
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71 Javelin SST body
390 69 crank, 70 block & heads NASCAR SB2 rods & pistons 78 Jeep TH400 w/ 2.76 Low 50/50 Ford-AMC Suspension 79 F150 rear & 8.8 axles Ford Racing 3.25 gears & 9" /w Detroit locker |
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MartyB
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Joined: Apr/24/2018 Location: Plano, TX Status: Offline Points: 37 |
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Posted: Nov/19/2018 at 6:55pm |
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Again, thanks for all of the assistance. The headlights now work but still no turn signals or gauges. Found the fuse blown for the gauges so still working that. As for the turn signals, I have power in to the fuse panel at the ign feed w the key in the on position. Have power out at the turn signal connection on the fuse panel w the ign in the on position. Pulled the steering wheel and the turn signal switch looks good. Went to remove it and there is a thick yellow wire running into the connector that terminates somewhere under the dash so I can not pull the connector out. Anyone know what the heck it goes to? Any way to check the switch before purchasing a new one ($34 at parts store)? When I was t/s the gauges I was trying to track down power source for the ignition feed...and it comes off of the headlight on buzzer which, according to my voltmeter only has power when the headlights are on. What is the function of the ign feed to the dash...I thought it was supposed to provide power for the gauges. Again, any help appreciated. Thanks. Marty
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MartyB
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Joined: Apr/24/2018 Location: Plano, TX Status: Offline Points: 37 |
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Posted: Nov/26/2018 at 2:13pm |
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OK, now have turn signals...the power to the fuse panel was correct but the turn signal wire was plugged into the wrong fuse panel connector! Still having problems w the gauges. The oil press gauge moved to a few psi but never further and the engine was idling just fine. Tried grounding the H2O wire to a good ground and it did not affect the gauge. Not sure about the gas gauge as there is very little gas in the tank. Looking thru the TSM it calls for checking w a tester that I don't have. Any good suggestions? Thanks.
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304-dude
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Joined: Sep/29/2008 Location: Central Illinoi Status: Offline Points: 9082 |
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Posted: Nov/26/2018 at 2:25pm |
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how long has the car been with wires crossed or sitting unused?
If the car never properly functioned with electricals, it Is possible the IVR needs the contact pads cleaned, and the wire connection header pins as well. Check for looseness and broken traces around pads. They are the #1 reason why gauges don't function. The gauge wire for power should be on the 4A fuse. You can pull and clean the fuse clips and the terminal first to make sure you have good power. Then check before removing the instrument panel.
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71 Javelin SST body
390 69 crank, 70 block & heads NASCAR SB2 rods & pistons 78 Jeep TH400 w/ 2.76 Low 50/50 Ford-AMC Suspension 79 F150 rear & 8.8 axles Ford Racing 3.25 gears & 9" /w Detroit locker |
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MartyB
AMC Apprentice
Joined: Apr/24/2018 Location: Plano, TX Status: Offline Points: 37 |
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Posted: Nov/26/2018 at 10:12pm |
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The car was running a couple of years ago. Husband passed away and wife did not deal w it for a while. Took it to a mechanic to get it running but, after a lot of money, it was returned and wiring was a shambles. As far as the wire to the instrument panel and the fuse box...there is no wire connected to the fuse box at the gauge position. As previously stated the wire to the ign feed of the cluster comes off of the headlight buzzer. The wire from the buzzer appears to be factory as it comes out of the connector.
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304-dude
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Joined: Sep/29/2008 Location: Central Illinoi Status: Offline Points: 9082 |
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Posted: Nov/27/2018 at 4:18am |
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It may be better to try and find the connection go the 4A wire to your instrument panel. That 4A wire drives the gauges. Without it your gauges will be Inop.
I will need to check my tsm for colour of the wire as I am color blind and red, brown and green look similar, so I usually ignore what colors I see and ohm them out to find the wire I need. In a way it is best, especially when you may have splices and or improperly connected wires. Once you have verified voltage to your instrument cluster, diagnosing further will be easier.
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71 Javelin SST body
390 69 crank, 70 block & heads NASCAR SB2 rods & pistons 78 Jeep TH400 w/ 2.76 Low 50/50 Ford-AMC Suspension 79 F150 rear & 8.8 axles Ford Racing 3.25 gears & 9" /w Detroit locker |
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george w wrote: