Electronics Need help wiring something up? Thinking of adding an electrical component to your car? Need help troubleshooting that wiring glitch?

HELP Can't Get Fuel Pump 2 Run Without running a hot wire to Relay!!!

Thread Tools
 
Search this Thread
 
Old Apr 28, 2010 | 11:27 PM
  #1  
TRANSAMCRAZY's Avatar
Thread Starter
Junior Member
 
Joined: Aug 2003
Posts: 39
Likes: 0
From: Peoria, Illinois
Car: 87 T/A,92 T/A,
Engine: 406TPI,355TPI,
Transmission: 700R4 for all
Axle/Gears: 4.11,3.23,
HELP Can't Get Fuel Pump 2 Run Without running a hot wire to Relay!!!

I don't know what happened, but my fuel pump is good, there is power to 1 wire on relay, but no fuel pump!!! replaced fuel pump, replaced relay still no power, u can run a hot to the middle wire on the relay AND BINGO THE CAR WILL START what could cause this? the car is an 87 trans am had this problem when i parked it in 2006 since then I put a 434 in it and I am still running a TPI (all aftermarket) could it be the ignition switch on the columm? replaced coluum and it still does it. car does not have VATS or alarm or remote start. Car is a limited # run for 87 and wanna keep it kinda stock would hate to carb it can anyone HELP!!!!!!!!!!!!!!!!!!!!!!!!!
Reply
Old Apr 29, 2010 | 12:07 PM
  #2  
NINÅ's Avatar
Supreme Member
 
Joined: Jan 2006
Posts: 3,341
Likes: 10
From: Mooresville NC
Car: LOWERED ♦ CRIMSON METALFLAKE
Engine: ► 400 KUBES ◄
Transmission: 765R4
Axle/Gears: EATON POSI 4.56
Just Fuelin’ Around

If you retained the ECM, the problem is: the pump relay is not receiving the priming signal.

To test it, connect a test light
(for testing for voltage, not a continuity tester) to terminal A1 of the EMC and ground.

Turn the key to the RUN position.

Does the test light go on for ~2 seconds?


Happy Racing!



Just One Of Them Racin’ Deals
.
Reply
Old Apr 29, 2010 | 10:37 PM
  #3  
TRANSAMCRAZY's Avatar
Thread Starter
Junior Member
 
Joined: Aug 2003
Posts: 39
Likes: 0
From: Peoria, Illinois
Car: 87 T/A,92 T/A,
Engine: 406TPI,355TPI,
Transmission: 700R4 for all
Axle/Gears: 4.11,3.23,
Re: Just Fuelin’ Around

ty
Reply
Old Sep 8, 2010 | 10:36 AM
  #4  
TheJoeY88's Avatar
Junior Member
iTrader: (2)
 
Joined: Nov 2000
Posts: 99
Likes: 0
From: Virginia Beach, VA
Transmission: 700R4
Axle/Gears: 2.73
Re: Just Fuelin’ Around

ever find a fix to this problem?
Reply
Old Sep 8, 2010 | 01:03 PM
  #5  
1ADan's Avatar
Supreme Member
iTrader: (4)
 
Joined: Mar 2009
Posts: 3,079
Likes: 4
From: Pepperell, MA
Car: 1987 Trans Am
Engine: LQ9/L92
Transmission: 4L60E
Re: HELP Can't Get Fuel Pump 2 Run Without running a hot wire to Relay!!!

if not, check your C207 connector on the passenger side; there's a few of the fuel pump relay wires going through it. you may have a bad connection
Reply
Related Topics
Thread
Thread Starter
Forum
Replies
Last Post
RazorN8
Tech / General Engine
4
Jan 7, 2022 11:44 AM
theshackle
Tech / General Engine
4
Mar 5, 2017 06:37 PM
Jae992
TBI
3
Aug 27, 2015 09:07 AM
justin57
TBI
30
Aug 20, 2015 07:05 PM
Kaweh
TBI
3
Aug 9, 2015 02:54 PM




All times are GMT -5. The time now is 04:27 PM.