Fan Test On A Firebird Youtube Turn the fan with the light connected if the light ever goes out, the fan is bad this video includes an illustration on the schematic as to how the light. If the fan control relays are not working there would be codes set (p1641, p1642). looking at the 96 shop manual, which should be similar to 97, check fuse #7 in the box under the hood. that supplies power to the control side of the relays. then check for 12v on the red wire to fan relay #1.
Troubleshooting Engine Fans On The Firebird Fans Relays And Pcm It never seemed the fan put out more cfm than the 7 blade clutch fan, even on the high speed. i will try one more thing to the stock clutch fan by adding a 2 1 2" spacer moving it in the shroud a little further. getting to my question though the 68 ram air came with a 4 blade fan while other 400's came with 7 blade. Years ago when i had pontiacs that ran hot, be it a race car, or street car, my go to fan was a nylon 18.375 diameter fan. it pulls more air than any fan i've ever used at idle, and all the way through the rpm range. Test fans by unplugging electrical connector at the fan motor and use a fused jumper to connect the fan directly to the battery. i can tell you how to check the relays (check continuity between 1 and 4, should be none until power is applied to 5 and ground to 2) the engine coolant temp sensor is connected to the water pump. 1473 posts · joined 2012. #7 · may 17, 2015. to test the fans individually you'll need to pull relay 3 and jump f1 to f4 (on relay 2) to test the right fan. to test the left fan jump d1 to d4 and j1 to j4. because these fans are wired in series for low speed operation jumping only d1 to d4 with relay 3 installed can fail if one of the two.
1978 Firebird Choosing Testing Rad Fan Switches Ep 4 Part 2 Of 3 Test fans by unplugging electrical connector at the fan motor and use a fused jumper to connect the fan directly to the battery. i can tell you how to check the relays (check continuity between 1 and 4, should be none until power is applied to 5 and ground to 2) the engine coolant temp sensor is connected to the water pump. 1473 posts · joined 2012. #7 · may 17, 2015. to test the fans individually you'll need to pull relay 3 and jump f1 to f4 (on relay 2) to test the right fan. to test the left fan jump d1 to d4 and j1 to j4. because these fans are wired in series for low speed operation jumping only d1 to d4 with relay 3 installed can fail if one of the two. The most common reasons a 1999 pontiac firebird radiator fan isn't working are the fan assembly, the fan clutch, or the coolant temperature sensor. 0 % 34% of the time it's the. The tempearture gauge switch is at left cylinder head below valve cover. was this. answer. helpful? yes. no. 11. sunday, august 30th, 2009 at 2:37 pm. my 5 liter 1988 v8 automatic radiator fan motor does not go on i have the 5 liter tbi engine.
Firebird 98v6 Fan Electric Diagram The most common reasons a 1999 pontiac firebird radiator fan isn't working are the fan assembly, the fan clutch, or the coolant temperature sensor. 0 % 34% of the time it's the. The tempearture gauge switch is at left cylinder head below valve cover. was this. answer. helpful? yes. no. 11. sunday, august 30th, 2009 at 2:37 pm. my 5 liter 1988 v8 automatic radiator fan motor does not go on i have the 5 liter tbi engine.
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