1964-1974 Tempest, LeMans & GTO Technical and Electrical Wiring [Archive] - Pontiac GTO Forum

: 1964-1974 Tempest, LeMans & GTO Technical and Electrical Wiring


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  1. Parking lights stay on when switch is off
  2. Reproduction part problems/advice
  3. Wiper switch turns on backwards
  4. Dash tach 1970
  5. 1969 GTO No start-Gets voltage
  6. Yet another bizarre turn signal problem
  7. 1970 convertible wiring
  8. Questions on factory engine compartment wires with updated engine
  9. 68 Gto blower motor
  10. '68 GTO Fuel Gauge Has Odd Readings
  11. Help with 69 gto fuse box
  12. Generator vs valve-cover......
  13. Electric oil pressure gauge issues
  14. Not using alternator idiot light. Can I remove the bulb?
  15. B&M Ratchet Shifter in GTO
  16. Strange Electrical problem, need help
  17. Need help with my dash wires
  18. Brake lights wont work, turn signals do...
  19. Strange lights/electrical issues
  20. 66 GTO AC Control & Blower issue (losing my mind)
  21. Brake warning light wiring
  22. Brake warning light wiring
  23. Emergency Brake light switch
  24. Fuse box no power
  25. Electrical connector needed
  26. How accurate are dakota gauges?
  27. PCB in dash 70
  28. Trying to find in line fuse on 68 GTO heater fan
  29. Comprehensive GTO LED conversions, 64-74
  30. American Autowire/gauge connections
  31. Headlights Flickering
  32. Wiring Diagram for a 66 Needed
  33. Dash lights not working 69 GTO
  34. strange alternator wiring
  35. Turn signal problem
  36. Assembled Megafuses American autowire diagram
  37. 1968 GTO Electrical Issue
  38. Ashtray light wiring conundrum 68 gto
  39. Starter and startabilty issue resolved
  40. Power steering
  41. Tachometer in my 67 GTO reading low
  42. New tachometer movement ??
  43. 1968 GTO 4 speed reverse light switch
  44. Voltage Regulator help
  45. 4 speed conversion changes in wiring?
  46. 1967 GTO dash wiring harness
  47. 1967 GTO wiring harness
  48. 8 track noise
  49. Kickdown switch
  50. Correct Lights (best)
  51. Neutral safety switch
  52. Rear wire harness routing
  53. 69 Gto Judge Dash wiring location diagram needed
  54. Oil pressure light
  55. Sector gear mystery solved
  56. Need Column help
  57. Wiring connectors
  58. upper Column housing cover
  59. Sector gear access
  60. 64 GTO left turn signal blowing fuse
  61. Help with starter
  62. Remote start switch
  63. How many amp alt should I get?
  64. Where to run reverse lamp wires
  65. Coil wire
  66. Installing single wire alternator question...
  67. Only getting 10.5 volts to the coil off the starter
  68. Horn wiring
  69. Mounting backup switch
  70. Initial ignition coil wire staying hot while car is running.
  71. What is the correct gap for stock points?
  72. Interior Lights Stay On
  73. Ballast resistor not dropping voltage to coil
  74. 68 gto washer pump issues
  75. 1972 GTO no spark
  76. Ignition switch problem or other
  77. '72 GTO oil pressure / water temp guage wiring
  78. Front headlight mystery wires
  79. '65 melted dimmer switch
  80. Just bought Rear Defroster set up for 69 - Need Wiring Diagram
  81. I need recommendations for a single wire alternator.
  82. Alternator not charging and I have run out of ideas.
  83. New vs Old AC systems
  84. 1157 LED bulbs for my '66 GTO
  85. 66 wiper wiring
  86. 1966 Lemans AC
  87. Need Original Part # for 1969 GTO Turn Signal Switch with Tilt, NO Cornering Lights
  88. Center console courtesy light
  89. Gas gauge sending unit question
  90. 71 gto firewall wiring harness
  91. Correct Turn signal switch for a 1965 GTO
  92. Wiring Questions (split off from previous clutch adjustment thread)
  93. Correct Timing Light for MSD Systems?
  94. Distributor Cap doesn't fit!
  95. Fuel gauge replacement question
  96. Windshield wiper & washer issues - ‘65
  97. Lighter Causing other problems
  98. high temperature wire looms ?
  99. Parking brake indicator light switch location?
  100. 69 Vert Ralleye Gauge Ground straps
  101. '70 GTO ignition key assembly
  102. 12v switched power in engine bay ?
  103. Floor Pan Electrical Conduit/Sleeve
  104. 66 GTO needs a new electric wiring harness, what`s the best
  105. Aftermarket gauges (electrical)
  106. Ground strap locations
  107. 1965 oil pressure sending unit resistance ?
  108. Changing column shift to center console wiring
  109. Which positive battery cable is correct for a 70 GTO?
  110. 65 water temperature and oil pressure gauge problem
  111. RetroSound Stereo - too much voltage
  112. 1964 Tachometer Wiring
  113. No Crank / electrical issue 72 GTO
  114. Windshield washer pump and wiper park
  115. 67 gto convertible rear courtesy lights
  116. 1968 LeMans Gen Light staying off.
  117. the Headlight switch on my 1970
  118. How to remove black horn button, wood wheel on '69 - Steering Wheel Swap
  119. 10 si alternator for 1965 tri power
  120. ‘65 GTO Heater/AC wiring issues
  121. bulbs and sockets
  122. Replace 1970 GTO Printed Dash circuitboard
  123. tachometer not working when dash lights turn on
  124. the dome lights connected to the brake light?
  125. tcs switch on my 65
  126. Ac Components compatibility
  127. AC Vacuum diagram needed for ‘65
  128. Hazard Switch is Stuck On
  129. Fixing Horn - How To
  130. Another 65 horn doesn't work....
  131. The Parts Place hood tach
  132. 1966 Pontiac LeMans wiring gremlins
  133. wire for temp sender
  134. Hood tach&dash clock
  135. Heater sensor (maybe for fan speed ?)
  136. Electronic Ingition
  137. 1965 GTO Fuel Gauge problem
  138. ‘65 GTO Questions - WS wiper & turn signal flasher
  139. '67 GTO Electrical Gremlins
  140. 1967 GTO Dash removal
  141. temp sender for gauge
  142. Verba Phonic switch wiring
  143. Help Identify 3 wires
  144. 1969 GTO no headlights
  145. Electrical Gremlins coming alive now
  146. '67 GTO Dash Wiring Routing
  147. HEI Distributor Diagnosis Procedure
  148. 68 GTO front marker light
  149. ‘65 GTO Ignition Switch Problem
  150. 67 gto electrical problems
  151. 1968 GTO Horn issue
  152. Heater Fuse Blows '67 GTO
  153. New radio problems
  154. 1968 Wiring Harness question
  155. 67 GTO front park light housings
  156. 64 GTO backup light wire routing
  157. 67 Pontiac Tempest will not crank after running
  158. 1969 GTO Wipers wont hide (4 speed swap)
  159. Horn switch mystery
  160. Ground - improving and locations
  161. Dash Instrument Gauge Buldbs
  162. Dash lights won't stay on
  163. Problem reinstalling steering column upper unit on '67 GTO
  164. Engine and Trunk Compartment Light Location
  165. 1965 Pontiac Lemans/GTO Wiring Harness
  166. 68 gto... no ignition source at the fuse panel
  167. 69 GTO Power Antenna Fuse
  168. XM radio and other options?
  169. Power for iphone and/or other accessories
  170. Turn signal lights do not always work on '67 GTO
  171. Car totally dead. Replaced the circuit board
  172. 1964 GTO tail light/brake light orientation
  173. Stalling issue and Lighting Circuit
  174. Engine Stalling Issues & Lighting Circuit
  175. Any '68 Vacuum Diagrams Out There?
  176. rally dash tach
  177. No Power from battery to car
  178. intermediate wiring ribbon fork 66 gto
  179. Half Circle / Crescent shaped connector For 66 A-body Turn Signal Switch
  180. Pertronix 12V Source on 70 GTO
  181. 1966 GTO Color coded fuses
  182. Parasitic drain on Battery
  183. Help wiring in a dual gate shifter
  184. 1970 hood tach needle broke
  185. 69 GTO front marker light socket?
  186. In Dash Tach Wiring
  187. brake pressure warning light
  188. Heater Fan light bulb access ??
  189. 1967 gto dimmer switch
  190. 69 Turn Signal Switch Replacement- Walkthrough
  191. Quality Voltage Regulator
  192. Single wire in trunk (what does it do )
  193. Intermittent turn signals
  194. 1965 GTO tail lights come on with ignition switch
  195. horn shock
  196. what battery on 65 GTO?
  197. Fuse block bulkhead gasket
  198. Ignition switch
  199. wiring
  200. no low beam on gto 65
  201. ignition/light switch..which one is the culprit???
  202. "65 GTO AC Question
  203. 1967 GTO (trying to be a helpful wife)
  204. Distributor wiring
  205. Power to wiper motor?
  206. '65 Fuel Gauge Resistor?
  207. Brakes and Turn Signals
  208. HEI Conversion
  209. Park Brake Landi actor light & switch?
  210. Electrical Wiring Nightmare
  211. Volt relay???
  212. Volt Meter - One Wire Alternator
  213. Igntion cylinder
  214. Battery cables melted
  215. tachometer dead?
  216. auto radio smoking!!
  217. Problems with thumbnails
  218. 1974 GTO Wiring Diagrams
  219. Alternator Wires ('74 GTO)
  220. No horn!
  221. It just will not run right
  222. What battery for my '68 GTO???
  223. 1965 GTO Sending Unit wiring
  224. 68 gen light w/HEI
  225. !965 GTO Rally Dash
  226. Dash light replacement on 68
  227. need wiring diagram 1966 GTO
  228. Under dash wiring harness
  229. Electrical current drop issue...
  230. 1969 GTO convertible top
  231. Horn relay wiring 70 gto
  232. Electrical Nightmare
  233. Spark Plug Wires
  234. LED T3 replacements
  235. 1968 LeMans Temperature Sensor/Sender
  236. 66 Wiper - headlight switch problem
  237. New here...with questions
  238. Car wont start
  239. Hello ! 69 GTO Front turn signal bracket?
  240. 69 lemans tail lights out
  241. Back up light
  242. Horn
  243. 20 Amp Wires on Alternator ('74 GTO)
  244. PICS ADDED NOW for Help with 67 GTO Wiring Harness Unknowns
  245. Help with 67 GTO Wiring Harness Unknowns
  246. 12v+ Keyed IGN source that is also hot while cranking
  247. Garage wall art that's functional and attractive!
  248. Unknown wire on a '68
  249. 1966 vacuum trunk release
  250. Rear drums and shoes