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#1 |
Registered User
Join Date: Sep 2002
Location: South central PA
Posts: 14
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I recently got a '71 lwb and I can't get the heater to work, all the cables are attached to the panel, I tried to remove the box inside the engine comparment but is glued shut
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#2 |
GMC SHORT FLEET F/S
Join Date: Jun 2000
Location: SOUTH WILLIAMSPORT PENNSYLVANNIA
Posts: 2,117
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Make a trouble light out of a trailer tail light or something to that effect? Atleast you will know if you have power or not? Or break down and get a good meter?
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CHARLES WADE HEIN HVACR FOREMAN. LEWISBURG U.S.P. |
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#3 |
67-72 Addict!
Join Date: Feb 2002
Location: The TAX State!
Posts: 7,857
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Paul,
Make sure the orange wire on the passenger side is plugged in under the hood to the box. Also check the plugs under the dash and follow them. Make sure all the wires are attached and not cut. The wires run from the back of the heater switch to behind the glovebox. Take out the glovebox liner so you can see them.
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Jim 1970 C/10 Fleetside w/Ghost Flames Lowered 4.5" front and 4" rear (Raked) 355/350 Turbo w/shift kit 10" Redneck Performance Verter w/2500 stall Hooker Super Comps part#2808-1 Performer RPM Air-Gap 12 Bolt w/3:73 gears- Eaton Posi Comp Cams XE262 with 1.6 Crane Energizers, Road Demon 625 and Brodix IK 180 heads |
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#4 |
Some like em' long!
Join Date: Nov 2002
Location: Grace, Idaho
Posts: 69
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![]() when you push the heater control to the on posistion, you should be able to hear the blower motor turn on was the truck sitting for a long period of time? if so, and if the blower motor turns on, then you may have a huge pile of mouse nest in the heater "ducts" on the truck, therefore causing no heat to come out of the vents
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1971 chevy c10 lwb- 300 hp 350 crate motor, soon to be more with ported and polished 62cc chamber 461 double humps, TH400, 3.73 posi, used to be my uncle's truck 1972 chevy k10 lwb- 350,4 spd, old and tired, dad bought brand new and is now mine 1968 chevy c20 lwb- 327, 4 spd, was originally a 50th anniversary truck 1990 GMC K1500-just my runaround truck 1982 Chevy K10 shortbed, new motor and new paint, another project in the mix of the others. IMPORTS SUCK! |
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#5 |
Registered User
Join Date: Apr 2000
Location: Freeland,Michigan,USA
Posts: 312
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Does the fan not blow, or is it only cold air ? Heater core may be plugged, may have to take it out, or at least blow it out. chevy4ever is right, criters love to nest in there
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1968 SWB Stepside, 250,pwr disc brake and tilt pwr steering, 5 spd tranny, HEI,Accel coil,K&N filter,Seat from a later truck with built in seatbelts, front and rear sway bars, moved gas tank to under the bed, headman hedders, new chrome bumpers,one wire alternator,Weber k550cub carburator...WORK IN PROGRESS, Freeland MI , Just bought a 72 Jimmy!!!!!!!!!!! |
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